Popliteal cyst surgery can generally return to normal after 2-3 weeks, some patients need 3-4 weeks to return to normal if diabetes, malnutrition, etc. are present. 1. Normal situation: the cause of popliteal cyst is mainly related to the degeneration of the knee joint. When the cyst is relatively large, compression symptoms can be surgical treatment, surgical treatment is divided into arthroscopic surgery and open surgery. The stitches will be removed in about two weeks after the operation, and after the stitches are removed, the patient will gradually adapt to the process of going down to the ground, and can resume normal walking in about three weeks. 2. Special cases: If there is a combination of diabetes, malnutrition and other underlying diseases, it may take about 3-4 weeks to return to normal. Patients with diabetes and malnutrition will have pathological changes such as insufficient nutritional supply to peripheral tissues or systemic substance metabolism disorders, which will affect the time to return to normal, and may even result in non-healing of the incision and infection of the incision. Popliteal cyst surgery is recommended to go to a regular tertiary hospital to avoid delay.