Exhibit 15.2

Consent of Jincheng Tongda & Neal Law Firm

May 17, 2021

China Finance Online Co. Limited

17^th Floor of Fuzhuo Plaza A

No. 28 Xuanwai Street, Xicheng District

Beijing 100052, China

We hereby consent to the reference to our firm and the summary of our opinion under the “Item 4. Information on the Company - B. Business overview - Regulation” and “Item 4. Information on the Company - C. Organizational structure” in China Finance Online Co. Limited’s Annual Report on Form 20-F for the fiscal year ended December 31, 2020 (the “Annual Report”), which will be filed with the Securities and Exchange Commission (the “SEC”) on May 17, 2021. We also consent to the filing with the SEC of this consent letter as an exhibit to the Annual Report.

Yours faithfully,

/s/ Jincheng Tongda & Neal Law Firm