April 15-21 this year is the 30th National Cancer Prevention and Control Week. On the morning of the 15th, Jilin Provincial People's Hospital organized 16 departments for free clinic consultation, organized authoritative experts in the field of cancer prevention and treatment to carry out multi-level and multi form series of science popularization around the hot topics, health hot spots, and confusion areas of the public and patients, gave scientific and practical suggestions on cancer prevention and anti-cancer, and provided convenient and quick medical services for the masses.