There are two cases of jumping sensation of flesh on the body as follows: 1. Pathological cases, mostly seen in peripheral nerve diseases. It is a characteristic manifestation of myofascial tremor, which is more obvious when the peripheral nerves are damaged, and it is more common in the extremities and sometimes in the trunk area. It is possible that similar symptoms may occur when the patient is overexcited, overtired, encounters cold, and eats large amounts of excitatory substances. For example, the symptoms may occur after drinking large amounts of alcohol, strong tea and coffee, or after long hours of continuous work without rest.