According to the website of the Ministry of Public Security, Zhang Yuchun, the 29-year-old former deputy director of Liu Yang Police Station of Longyang Branch of Baoshan Public Security Bureau, Yunnan Province, was born on March 23rd, 1985, Han nationality, university education, party member of the Communist Party of China, and a second-class superintendent. He graduated from Yunnan Police College in July 2006 and has been working in Liu Yang Public Security Bureau since graduation. 20 12, deputy director of Liu Yang police station.

In the past seven years, Zhang Yuchun has visited 8 190 households, done good deeds and solved difficult problems for the masses 120 times, participated in handling 32 traffic accidents 1, detected criminal cases1,investigated and dealt with 358 public security cases, and arrested 379 criminal suspects. It has been successively rated as "advanced individual in drug control", "excellent civil servant", "excellent clerk", "expert in handling cases" and "advanced individual" by Baoshan City and Longyang District Committee and Government.