This is not the Tongren of the Siheyuan, not the Tongren of the Siheyuan, not the Tongren of the Siheyuan. The important thing is said three times. Zhang Yan was reborn in 1956 and became a factory doctor. Accompanied by the system, Zhang Yangou was in the factory hospital, studying various
Surgical skills, researching various surgical instruments. Leading the factory hospital step by step to become the world's most famous tertiary hospital and becoming a world-renowned doctor who is proficient in Chinese and Western medicine.