Accused of Practicing Medicine, Why Can My Ancestors Practice Medicine Without a Certificate?

"My family has been practicing medicine for generations and has treated countless people. Why has it become an illegal practice now?" He went to Blue Star Hidden Dragon City to provide support and used acupuncture techniques to treat countless patients. Sun Jizhou returned to his clinic with the certificate of honor and commemorative certificate for aiding the dragon, but suddenly found that his clinic had been closed down by the Health Commission. There are several large letters posted outside the clinic. "Practicing medicine without a license and illegally setting up clinics are now banned and a fine of 300,000 yuan will be paid in three days. This is hereby announced." "Wangshan District Health Committee of Songjiang City." Seeing this announcement, Sun Jizhou tore it off in anger, and filed a complaint with the National Health Commission in court... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.