EXHIBIT
31.1



CERTIFICATION



I,
Liu Muzhen, certify that:



1.
I have reviewed this Annual Report on Form 10-K of Leader Hill Corporation. (the “Company”) for the year ended November 30,
2022;



2.
Based on my knowledge, this Annual Report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the
period covered by this report;



3.
Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this
report;



4.
The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act
Rules 13a-15(f) and 15d-15(f)) for the registrant and have:



| | a. | Designed such disclosure
    controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material
    information relating to the registrant is made known to us by others within those entities, particularly during the period in which
    this report is being prepared;                                               
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                                                                                                                                                                                                                                                                                                
| | b. | Designed such internal
    control over financial reporting or caused such internal control to be designed under our supervision, to provide reasonable assurance
    regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance
    with generally accepted accounting principles.                                      
| |    |                                                                                                                                                                                                                                                                                                                                                                                                
| | c. | Evaluated the effectiveness
    of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness
    of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and                                                                                                    
| |    |                                                                                                                                                                                                                                                                                                                                                                                                
| | d. | Disclosed in this report
    any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent
    fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is
    reasonably likely to materially affect, the registrant’s internal control over financial reporting;



5.
The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing
the equivalent functions):



| | a. | All significant deficiencies
    and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely
    affect the registrant’s ability to record, process, summarize and report financial information; and
| | -- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| |    |                                                                                                                                                                                                                                                                                  
| | b. | Any fraud, whether or not
    material, that involves management or other employees who have a significant role in the registrant’s internal control over
    financial reporting.                                                                                               



|Date: March   , 2024 |        |                                                                                                                                                   
|-------------------- | ------ | --------------------------------------------------------------------------------------------------------------------------------------------------
|                     | By:    | /s/ Liu
    Muzhen                                                                                                                                
|                     | Title: | Chief Executive Officer,
    President, Treasurer Director(Principal Executive Officer, Principal Financial Officer, Principal Accounting Officer)