There are many causes of knee swelling, common trauma to the knee joint, infection, joint inflammation, etc. Different causes of different treatment modalities, so in order to quickly alleviate the need to combine the cause of the patient’s treatment, more need to be given to the general treatment, medication, physical therapy and surgical treatment and other ways of integrated treatment. 1. Knee trauma: after the trauma, we need to reduce the activities of the knee joint, if necessary, braking, in the acute stage can be given local cold compresses, while the relief period can be given local hot compresses, which is conducive to swelling. You can give medicines that can activate blood circulation and eliminate blood stasis, reduce swelling and relieve pain, such as Yunnan Baiyao cream, blood circulation and pain relief capsule, and so on. 2. Infection: mostly caused by bacterial infection in the knee joint, antibacterial drugs can be given for treatment, such as amoxicillin, levofloxacin and so on. 3. Joint inflammation: the more common osteoarthritis, gouty arthritis, rheumatoid arthritis, etc., can be given to the local hot compresses, infrared irradiation, etc., can be given to the non-steroidal anti-inflammatory drugs such as ibuprofen, prednisone and other glucocorticosteroid drugs, gouty arthritis can be given to the acute stage of colchicine treatment, the stabilization of the period given to the treatment of allopurinol and other drugs. It is recommended that patients go to the hospital, improve the auxiliary examination, in order to clarify the cause of the disease, the drug needs to be used under the guidance of a professional physician.