The pain in the knee joint after standing for a long time can be relieved by the following ways: 1. lie down and rest, elevate the affected limb higher than the heart to facilitate blood circulation in the lower limb and promote the dissipation of swelling, inflammation and edema in the painful area, thus relieving the local pain symptoms. 2. take medication, including medication and topical medication, oral medication can eat non-steroidal anti-inflammatory and analgesic drugs, such as Fenbid, or take some oral Chinese medicine to promote local blood circulation. Oral medications can be non-steroidal anti-inflammatory analgesics, such as Fenbid, and some Chinese medicines can be taken orally to promote local blood circulation, such as Tongluo Kaiqiao tablets. Topical medications can be applied as Fotalin emulsion, Yunnan Baiyao aerosol or Chinese herbal medicine Jinhuang cream, all of which can effectively relieve local pain.3. Physical means such as hot compresses, baking electricity, spectrum irradiation and moxibustion can also be used to promote local blood circulation to dissipate inflammation and reduce pain. If the patient’s symptoms are significantly relieved after the above treatment, he can continue to rest and observe. If the symptoms are not relieved, continue to worsen, or even appear to be dysfunctional, you must go to the hospital for examination.