Legs hurt rainy day pain is mostly considered traumatic arthritis caused by trauma combined with synovitis, it is recommended that further examination to take general treatment, physical therapy, such as baking electricity, as well as drug therapy. 1. Rainy day leg pain is often seen in rheumatism, rheumatoid, or osteoarthritis combined with synovitis. On rainy days or when the weather changes, the patient will feel the pain aggravated. This is because the synovial tissue in the patient’s body is more sensitive to changes in the external environment, especially the synovial tissue is more sensitive to pressure changes. The most common type is traumatic arthritis combined with synovitis. 2. Physiotherapy: pay attention to the warmth of the legs, if necessary, hot compresses, local massage and baking electricity and other physiotherapy, to promote local metabolism to alleviate the symptoms. 3. Medication: For traumatic arthritis, rheumatoid arthritis and other aseptic inflammation caused by trauma, it is recommended that non-steroidal anti-inflammatory and analgesic drugs such as ibuprofen and diclofenac sodium can be taken for treatment. Therefore, it is recommended to go to the hospital for further examination, to exclude the disease of the affected area itself, under the guidance of the doctor for the symptoms of the appropriate treatment.