When lymphatic metastasis of lung cancer occurs and causes muscle pain, it is necessary to actively treat the primary lesion of lung malignant tumor and give pain-relieving drugs when necessary. 1. Actively treat the primary lesion of lung: when lymphatic metastasis of lung malignant tumor occurs, it is necessary to actively treat the primary lesion, and clinically it can be chosen to be treated by surgery, chemotherapy, radiotherapy, immunotherapy, targeted therapy and so on. 2. Give drugs for pain relief: when muscular pain occurs, you can use pain relief drugs appropriately under the guidance of the doctor, choose pain relief drugs according to the ladder of drugs, first choose oral drugs, and then choose to give drugs on time, antipyretic and analgesic drugs first choose the first ladder of drugs, such as diclofenac sodium, ibuprofen extended-release capsules, and so on. Clinically, for patients with metastatic lung malignant tumors, it is recommended to consult the surgery or oncology department of regular hospitals.