Thigh throbbing by itself actually refers to involuntary throbbing of thigh muscles, which happens from time to time and is often due to muscle twitching caused by involuntary neurophysiological activity of the muscles. If there is no swelling, no dysfunction, and no pain, this condition is often physiological and does not require special treatment, and may be related to strenuous exercise, muscle strain, muscle injury, muscle spasm, and Cold stimulation has a certain relationship. If the thigh muscles continue to jump on their own for a long time, this time you need to consider may be related to neurogenic injury, lumbar disc herniation compression nerve, motor neuron disease and other stimulation of the nerve caused by muscle spasm, need to go to the regular hospital to do electromyography and electroencephalogram examination to further determine, and at the same time to identify the cause based on the corresponding treatment, do not delay the disease.