April 25^th to May 1^st was the advertising week of Law on Prevention and Control of Occupational Disease. In the morning of April 29^th, the occupational disease department of PUTH along with the Stomatological Hospital of Capital Medical University and Beijing Chaoyang Hospital, following Beijing Municipal Health Bureau, arrived at the first north machine tool factory in Shunyi district and conducted large charity clinics activities.

Translated by YAN Zhiying, Proof by DING Xinyue & ZHAO Yingxi