Hou Mingming, attending physician, deputy director of the Department of Bone and Soft Tissue, doctor of medicine. He graduated from Harbin medical university with a bachelor's degree in clinical medicine in 2001. After graduating with a master's degree in orthopedics in 2005, he has been engaged in orthopedics clinical work for more than 10 years in the fourth clinical hospital affiliated to Harbin Medical University. He has mastered the standard principles for the diagnosis and treatment of bone and soft tissue tumors, and is skilled in the treatment of common diseases such as soft bone tumors, complex trauma, fracture, neck and waist pain, osteoarthritis, etc. He has rich clinical experience in the surgical treatment of orthopedic diseases and is good at the comprehensive treatment of knee osteoarthritis, spinal degeneration and severe osteoporosis in the elderly.