Arthroscopic surgery is a minimally invasive surgery, compared with traditional surgery, its trauma is small, fast recovery, if the patient’s physical condition allows, usually advocate early functional exercise under the guidance of professional doctors, and the specific post-operative recovery time is as follows: 1, knee arthroscopy for free body removal, joint cavity irrigation, patients can generally wear braces the next day after surgery to walk out of bed; 2, knee ligament injury, meniscal rupture repair surgery, patients can usually wear braces to walk out of bed one month after surgery.