Sometimes the flesh on the body will jump mainly in the following cases: a. If the patient has flesh jumping with limb weakness, limb muscle atrophy, limb weakness, starting from the distal end of the limb or with proximal aggravation, the patient is considered to have motor neuron disease and needs to do electromyography and lumbar puncture examination; b. Ask the patient if there is a lot of physical activity recently, some patients have intensity physical activity Some patients may experience jumping sensation due to increased muscle excitability; third, we should ask the patient if there is any past history of epilepsy, some patients with epilepsy show local muscle jumping during focal seizures, and EEG can be done. In short, sometimes the flesh jumping on the body is mainly considered for the above reasons.