Sore thighs after foot soaking is a relatively common symptom, the possible causes of overwork, gout, myofasciitis, etc., it is recommended that targeted relief. 1. Excessive fatigue: long-term exercise of the lower limbs will lead to excessive fatigue and lactic acid deposition in the lower limbs, foot soaking will alleviate the symptoms of the foot, but sudden rest will aggravate the symptoms of the lower limbs other than the foot, showing leg pain. 2. Gout: Gout can be caused by the deposition of uric acid into the synovial membrane of the hip joint, resulting in soreness of the thighs after foot soaking. It is recommended that the type of uric acid examination to clarify the relevant diagnosis, if the uric acid is high, active and febuxostat to reduce uric acid, etoricoxib anti-inflammatory and analgesic treatment. At the same time, the patient is advised to drink more water, appropriate to promote uric acid excretion. 3. Myofasciitis: mostly considered to be long-term heavy physical work, excessive exercise and incorrect posture caused by myofasciitis, this pain and activities intensified, relieved after rest. It is a sports strain changes, it is recommended to improve the patient’s lifestyle, mainly rest, generally can be relieved by themselves. Thigh pain after foot soaking is recommended to go to the regular hospital in time, a clear diagnosis, the cause of the treatment.