Exhibit 16.1

March 17, 2023

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We have read the statements made by MicroAlgo Inc. (formerly known as “Venus Acquisition Corporation”) under Item 4.01 of its Form 8-K dated March 17, 2023. We agree with the statements concerning our Firm in such Form 8-K; we are not in a position to agree or disagree with other statements of MicroAlgo Inc. contained therein.

Very truly yours,

/s/ Marcum llp

Marcum llp