He Ruhan, male, Hui nationality, was born in Tongzhou District, Beijing in 1918. Mr. He did not go to school when he was a child because his poor family condition. In 1931, he studied with Zhao Bingnan, a famous surgeon of traditional Chinese medicine (TCM). Starting from an apprenticeship, he studied hard in pharmacy and laid a good foundation for his further career development. In 1938, he passed the exam and obtained the qualification of Chinese medicine doctor, and then worked as a surgeon at Pucishi Clinic of Beijing Hui Nationality Association.

After the founding of the People's Republic of China, he worked in the Second Outpatient Department of Beijing in 1954. In 1963, he was transferred to Beijing Hospital of TCM as the Chief Physician. In 1981, he was identified as the priority academic experiences inheritance object among the famous old doctors of TCM in Beijing.

Doctor He is good at Chinese medicine treatment of skin surgery, pays attention to the regulation of spleen and stomach, and advocates to protect the outer health by strengthening the inner health. He achieved significant results in the treatment of a variety of difficult skin diseases, being welcomed and praised by patients.

Doctor He pays attention to the summary and teaching of clinical experiences. He has accumulated decades of medical experience and wrote many papers, such as Experiences in Treatment of Skin Diseases, Experiences in Clinical Treatment of 70 Cases of Urticaria, and Experiences in Clinical Treatment of 20 Cases of Herpes Zoster, and actively participated in the compilation of Concise Dermatology of TCM, which has been highly praised by his peers.