Generally speaking, tight and stiff muscles at the back of the thighs can be treated by local massage or hot compresses, reasonable exercise, warfarin and other drugs. 1. Local massage or hot compresses: Excessive exercise, incorrect posture, trauma, etc. can cause muscle spasm, edema, produce and accumulate a large number of acidic products, resulting in muscle tightness, stiffness, etc., through local massage or hot compresses, promote blood circulation, accelerate metabolism, so that the muscle relaxation, thus alleviating the tightness and other symptoms. 2. Reasonable exercise: thigh area muscle repeated, excessive stretching easily lead to muscle spasm, so that muscle relaxation is reduced, thus triggering tightness and stiffness. You can maintain a kneeling position, the upper half of the body backward, gradually touch the bed and keep 2 minutes, intermittently repeated three times, this is a group of actions, can be repeated 2 to 3 times a day, to a certain extent, so that the tight muscles of the thighs are stretched, relieve muscle stiffness. 3. Drug therapy: central nervous system lesions such as cerebral hemorrhage, cerebral infarction, cervical cord injury, etc., can cause the lower extremity muscle tension increases, causing thigh muscle tightness. Cerebral hemorrhage can choose warfarin, mannitol and other treatment; cerebral infarction can choose urokinase and other thrombolytic therapy. There are many other reasons for the tightness and stiffness of the muscles at the back of the thighs, such as injurious ossification, etc. It is recommended to consult a doctor in time to clarify the diagnosis and carry out targeted treatment. In addition, the above drugs should be taken under the guidance of a doctor, and should not be used without authorization.