Li Qiying, Member of China CSCO, is currently Chief Physician of Hematology Oncology Department of Chongqing Cancer Hospital / the Cancer Hospital Affiliated to Chongqing University Member of Hematology Special Committee of Chongqing Medical Association, and Secondary Leading Expert of Lymphoma Joint Expert Group of Chongqing Cancer Hospital / Affiliated Cancer Hospital of Chongqing University. 34 years of experience in clinical work of internal medicine, tumor clinical and 28 years of research work, with profound knowledge of the clinical work of internal medicine of tumor, and systematic diagnosis and treatment of internal diseases of tumor. Specialty: lymphoma, multiple myeloma, lung cancer, gastrointestinal cancer, soft tissue tumor and other malignant tumors diagnosis and chemotherapy, targeted biotherapy and other comprehensive treatment. He holds one national invention patent, published more than 30 papers in SCI, CSCD and other important journals at home and abroad, with a number of clinical studies.