Exhibit
31.1

Exhibit
31.2



CERTIFICATIONS



I,
Arthur Mikaelian, Chief Executive Officer and Chief Financial Officer of Petlife Pharmaceuticals, Inc. (the “Company”),
certify that:



|1. | I
    have reviewed this Amendment No. 3 to the Annual Report on Form 10-K of the Company for the fiscal year ending August 31,
    2015;                                                                                                                                                                             
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|   |                                                                                                                                                                                                                                                                                                                       
|2. | Based
    on my knowledge, this 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 Company as of, and for, the periods
    presented in this report;                      
|   |                                                                                                                                                                                                                                                                                                                       
|4. | I
    am 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 Company 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 Company, including its consolidated subsidiaries, 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 over financial reporting 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 Company’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 Company’s internal control over financial reporting that occurred during the Company’s
most recent fiscal quarter (the Company’s fourth fiscal quarter in the case of an annual report) that has materially affected,
or is reasonably likely to materially affect, the Company’s internal control over financial reporting.



|5. | I
    have disclosed, based on my most recent evaluation of internal control over financial reporting, to the Company’s auditors
    and the audit committee of the Company’s Board of Directors (or persons performing the equivalent functions):
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(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 Company’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 Company’s
internal control over financial reporting.



| | Date:
    March 24, 2016                               
| | -------------------------------------------------------
| |                                                        
| | /s/
    Arthur Mikaelian                               
| | Arthur
    Mikaelian                                   
| | Chief
    Executive Officer and Chief Financial Officer