The use of Lidocaine Gel Patch is not recommended for knee pain, Lidocaine Gel Patch is mainly used for the relief of postherpetic neuralgia. Knee pain can be treated by applying non-steroidal anti-inflammatory drugs, injecting nerve closure needles, injecting sodium vitrate and so on. 1. Non-steroidal anti-inflammatory drugs: oral ibuprofen extended-release capsules, acetaminophen tablets and other antipyretic and analgesic, to relieve the swelling and pain of the knee joint. 2. Nerve closure injection: refers to the injection of local anesthesia, hormone, and nutritive nerve medication in the site of pain or inflammation to achieve relief of pain and inflammation. 3. Sodium vitrate injection: Sodium vitrate is a kind of joint lubricant, which can be used as an adjunctive treatment for knee joint disease, and the pain can be relieved after intra-articular injection. After the diagnosis of knee joint pain, it is recommended to carry out standardized treatment as soon as possible in order to reduce the adverse effects of the disease. All of the above medications should be used under the guidance of a doctor, avoid self-medication.