Pulse electrotherapy instrument, that is, clinical often used in the mid-frequency sinusoidal electrotherapy instrument, belongs to a kind of electrotherapy, and low-frequency therapy instrument and high-frequency electrotherapy instrument have different therapeutic effects, respectively. Pulsed intermediate frequency electrotherapy instrument is mainly to relieve local pain, such as limb pain, pain caused by various chronic inflammatory diseases, as well as neuralgia, joint pain, the use of intermediate frequency electrotherapy instrument have obvious analgesic effect. Muscle atrophy patients using intermediate frequency pulse electrotherapy instrument to stimulate atrophied muscles, can make the muscle cells to restore a certain degree of activity. Patients with nerve damage can also use medium frequency electrotherapy instrument, which can promote the recovery of nerve cells. But the best treatment instrument to the regular hospital for use and operation, their own home use method is not appropriate easy to appear adverse reactions.