Registered Public Accounting Firm’s Consent
We consent to the inclusion in this Registration Statement of Hancock
Jaffe Laboratories, Inc. on Form S-1 Amendment No. 2 [File No. 333-239658] of our report dated March 18, 2020, which includes an
explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audits of the financial
statements of Hancock Jaffe Laboratories, Inc. as of December 31, 2019 and 2018 and for each of the two years in the period ended
December 31, 2019, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the
reference to our Firm under the heading “Experts” in such Prospectus.