After a thigh sprain, stop exercising immediately, pay attention to rest, avoid strenuous activities of the lower limb, and at the same time, you can give local cold compresses, you can use ice towels or cold mineral water ice compresses on the affected area. If the injury is serious, you can also use a plaster brace or lower limb brace to fix the affected limb. Pain can be treated with oral non-steroidal anti-inflammatory drugs for analgesia, such as diclofenac sodium extended-release tablets, fenbid capsules, etc. You can also take oral Chinese medicine to activate blood circulation and remove blood stasis, such as the oral formula wound capsule, etc. At the same time, you can also cooperate with local physical therapy, massage, etc., can also relieve pain symptoms. If the pain is not significantly relieved or worsens after the above treatment, you need to go to the hospital for examination and treatment.