Before and after the founding of the People's Republic, Guan Youbo worked in several pharmacies at the same time. Yong 'an Hall and Tigan Hall in Qianmen Street, Tonghe Hall and Baode Hall in Sanlihe Street all left his figure. He once sat in the same pharmacy with Shi Jinmo, one of the four famous doctors in Beijing. Guan Youbo came to the pharmacy in advance every day, carefully analyzed the pulse condition of Shi Jinmo and personally asked the patient about the changes after taking the medicine. All experiences with good results are happy to learn. Over time, he "stole" the experience of famous artists such as Wang and Wang and applied it to clinic. He made friends with many people, learned from each other and explored medicine deeply. The famous doctors in Qianmen area, such as Kang Nan, Zhao and He Hui, are all his close friends. On his deathbed, Kangnan handed down his ancestral secret recipe "Goose Mouth Powder" and popularized it for treating oral ulcer and Behcet's disease? All have good results.

I met Liu Feng, an expert in gynecology of traditional Chinese medicine, while working in Beijing No.1 Chinese Medicine Clinic. He got rid of the old habit of "looking from under the door" and took the initiative to learn from Liu's medical skills, exchange cases with each other and learn from each other's strengths.

After being transferred to Beijing Hospital of Traditional Chinese Medicine, he was lucky enough to meet more famous doctors, such as experts in elephantiasis surgery, oncology, Xu, Zong Weixin, Qin Housheng and Yao Zhengping, an expert in nephrology. Guan Youbo established friendship with them and learned a lot of valuable medical experience from them.

Guan Youbo is often invited to participate in the consultation of difficult and serious diseases. He regards the consultation as a good opportunity for him to learn from the Almighty. Many western doctors are willing to cooperate with him, and he has learned a lot of modern medical knowledge from dealing with difficult cases.

Guan Youbo's medical practice not only reflects the medical skills handed down by his family, but also reflects the medical experience and expertise of a group of famous old Chinese medicine practitioners in a historical period.