Exhibit
31.1



CERTIFICATION
BY PRINCIPAL EXECUTIVE OFFICER, PRINCIPAL FINANCIAL AND ACCOUNTING OFFICER





I,
Wendy Blosser, certify that:



|1. | I
    have reviewed this Annual Report on Form 10-K of Accustem Sciences Inc.;                                                                                                                                                                                                                                                                     
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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;                             
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|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;                                                
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|4. | The
    registrant’s other certifying officer(s) 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:
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|   | a.                                                                                                                                                                                                                                                                                                                                                 
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|   | b.                                                                                                                                                                                                                                                                                                                                                 
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|   | c.                                                                                                                                                                                                                                                                                                                                                 
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|   | d.                                                                                                                                                                                                                                                                                                                                                 
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|5. | The
    registrant’s other certifying officer(s) 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):                                     
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|   | a.                                                                                                                                                                                                                                                                                                                                                 
|   |                                                                                                                                                                                                                                                                                                                                                    
|   | b.                                                                                                                                                                                                                                                                                                                                                 





Dated:
April 15, 2022



|       | /s/
    Wendy Blosser       | 
|------ | --------------------------- | 
|Name:  | Wendy Blosser              
|Title: | Chief Executive
    Officer