Exhibit 15.2

Partners: Paul Aherne Joanne Collett Mark Cummings Stuart D’Addona Nicholas Davies Shamar Ennis James Gaden Kristen Kwok Jo Lit Callum McNeil Alice Molan Andrew Randall Rupen Shah Denise Wong	** * ***** **** *** *** **** ** * ** ****** ** ******* **	9 April 2021 Genetron Holdings Limited 泛生子基因(控股)有限公司 Walkers Corporate Limited 190 Elgin Avenue George Town Grand Cayman KY1-9008 Cayman Islands Dear Sirs	JWYL/BLUI/G3359-H22357
		Genetron Holdings Limited 泛生子基因(控股)有限公司
		We consent to the reference to our firm under the heading “Item 10.E. Additional Information—Taxation—Cayman Islands Taxation” in Genetron Holdings Limited 泛生子基因(控股)有限公司’s Annual Report on Form 20-F for the fiscal year ended 31 December 2020 (the “Annual Report”), which will be filed with the Securities and Exchange Commission (the “SEC”) in the month of April 2021. We further consent to the incorporation by reference into the Registration Statement (Form S-8 No. 333-252371) pertaining to Genetron Holdings Limited’s 2019 Genetron Health Share Incentive Plan and 2019 Genetron Health Share Incentive Scheme of the summary of our opinion under the heading “Item 10.E. Additional Information—Taxation—Cayman Islands Taxation” in the Annual Report. We also consent to the filing with the SEC of this consent letter as an exhibit to the Annual Report. In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act of 1933, or under the Securities Exchange Act of 1934, in each case, as amended, or the regulations promulgated thereunder. Yours faithfully, /s/ Walkers (Hong Kong) Walkers (Hong Kong) Walkers (Hong Kong) 滙嘉律師事務所 (香港) 15th Floor, Alexandra House, 18 Chater Road, Central, Hong Kong T +852 2284 4566 F +852 2284 4560 www.walkersglobal.com Bermuda | British Virgin Islands | Cayman Islands | Dubai | Guernsey | Hong Kong | Ireland | Jersey | London | Singapore *England and Wales; **BVI; ***Cayman Islands; ****New South Wales (Australia); *****Ireland; ******Victoria (Australia); *******Bermuda