Thigh muscle soreness consider lactic acid accumulation, muscle strain, lumbar disc herniation and other reasons, relieve thigh muscle soreness can take rest, massage, physical therapy, medication and other methods. 1. Lactic acid accumulation: for example, during strenuous exercise, anaerobic metabolism will lead to a large amount of lactic acid production in the legs, thus causing lactic acid accumulation, resulting in muscle soreness, general rest and massage after the symptoms can be relieved. No special treatment is needed. 2. Muscle strain: If the muscle strain caused by long-term labor or bad posture. Need to rest for 3~5 days, the symptoms can be reduced. You can also take massage, massage and other methods to relax the local muscles. If the pain is obvious, apply pain-relieving drugs, such as diclofenac sodium and so on. Ultrasonic physiotherapy or infrared ray physiotherapy can also be combined. 3. Lumbar disc herniation: Lumbar disc herniation compresses the nerves and radiates to the lower limbs, which can cause leg pain, and requires hard bed rest, lumbar traction, acupuncture, low-frequency pulsed electro-physiotherapy, and oral nutritive drugs such as methylcobalamin dispersible tablets. Serious cases can be treated with surgery. Thigh muscle pain if rest does not reduce, should promptly consult a doctor, under the guidance of the doctor to check the cause and treatment, do not blindly use drugs.