Pain after neck dissection can be improved and relieved by physical therapy such as cold compresses and medication such as ibuprofen. 1. Physiotherapy: for pain within 72 hours after neck lymph node dissection, local cold compresses can be applied to reduce swelling and inflammatory exudation; after 72 hours, local hot compresses can be applied to promote blood circulation, speed up metabolism and reduce pain, swelling and other symptoms. 2.Drug treatment (1) Nutritional nerve drugs: such as vitamin B12, methylcobalamin, growth factor, ganglioside, piracetam, etc., which can play the role of nutritional nerve and promote the repair of damaged nerves, and are suitable for the pain caused by nerve damage after cervical lymph node dissection. (2) Painkillers: you can take aspirin, ibuprofen, diclofenac sodium and other non-steroidal anti-inflammatory drugs for pain relief and anti-inflammatory; you can also take tramadol, oxycodone and other pain relief. Neck clearance after the pain is recommended to consult a doctor in order to clarify the cause of the disease, targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.