Lan is now an expert in Beijing Gulou Hospital of Traditional Chinese Medicine, a researcher at Dalian Beichen Institute of Lupus Erythematosus, the chief expert of Institute of Human Rheumatoid Immunity (China District), the director of the Chinese Medicine Association, the deputy director of the AIDS Prevention Branch of the Chinese Medicine Association, the chairman of the Immune Disease Professional Committee of China Health Care International Exchange Promotion Association, the editorial board of Capital Medicine and the editorial board of the World Journal of Integrated Traditional Chinese and Western Medicine. His monographs, such as Answering the Problem of Lupus Erythematosus, New Concept of Immunity, Understanding and Treatment of Systemic Lupus Erythematosus, Immune Food and Truth Is Not Beautiful, have been published one after another, and have been widely praised by experts and scholars.
Clinical treatment of systemic lupus erythematosus and other immune diseases more than 30 thousand cases.
At present, he is the chairman of the Committee on Immunology of Chinese Medical Association, director china association of traditional chinese medicine, deputy director of china association of traditional chinese medicine AIDS Prevention Branch, and director of Dalian Lupus Erythematosus Research Institute. He has been engaged in the treatment and research of immune diseases such as lupus erythematosus for a long time, and has created an "immune principle model" in clinic, which has been strongly confirmed for explaining modern immune principles for Chinese medicine and developing drugs for clinic. Three national new drugs have been developed successively: "Langchuangning Granule" (Shuang Hu Granule and Sangui Tablet) for treating systemic lupus erythematosus, dermatomyositis, scleroderma and Sjogren's syndrome; Sanlian tablet (Shuangzi tablet) is used to treat recurrent oral ulcer and Behcet's disease; Idiopathic thrombocytopenic purpura was treated with "Liang Xue Xiaoban Granule" (Yisui Yangxue Granule) and myasthenia gravis with "Shenguipeiyuan Granule".
Dalian Radio and Television Station, Liaoning Legal News, Peninsula Morning News and Dalian Evening News also made reports.