Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

ACM Research, Inc.

42307 Osgood Road, Suite I

Fremont, California 94539

United States

We hereby consent to the incorporation by reference in the Registration Statements on Form S­3 (No. 333-228734) and Form S-8 (No. 333-222702) of ACM Research, Inc. of our report dated March 14, 2019, relating to the consolidated financial statements, which appears in this Form 10-K for the year ended December 31, 2018.

BDO China Shu Lun Pan Certified Public Accountants LLP

Shenzhen, The People’s Republic of China

March 14, 2019