Popliteal cyst is an accumulation of fluid in the bursa of the gastrocnemius muscle on the inner side of the popliteal fossa, which usually does not disappear with massage, and it needs to be treated appropriately according to the size of the popliteal cyst and the specific situation, which mainly includes conservative treatment and surgical treatment. 1. For popliteal cysts without any symptoms, generally do not need special treatment, regular review and observation can be. For popliteal cysts with compression symptoms, firstly, conservative treatment can be adopted, such as aspiration of cystic fluid under ultrasound guidance, together with the use of local corticosteroids, such as Triamcinolone acetonide. 2. For those who do not have satisfactory results after conservative treatment, the cyst can be removed by surgical treatment, including traditional open surgery and arthroscopic surgery. The above medications need to be used under a doctor’s supervision. After the symptoms of popliteal cysts appear, it is recommended to consult a doctor for targeted treatment under the guidance of a doctor.