How is Guo Er's medical skill?

Guo Er's medical skills in rural love stories are average. He can see a doctor and has certain medical knowledge, but he is not a doctor and has no medical qualification certificate. In the TV series "Country Love Story", Li Xiaoming was born in Yongji County, Jilin Province. His real name is Li Qingming, an actor in China and the 47th disciple of Zhao Benshan.