Electrotherapy is a very common clinical treatment, belongs to a kind of physical therapy, as long as the operation is reasonable and will not cause harm to the human body, including the waist. Electrotherapy in the clinic can relax the muscles, electrotherapy extends the treatment of electro-acupuncture therapy and intermediate frequency therapy, these two therapies belong to a kind of extension of electrotherapy, can play a role in the treatment of muscle pain, and for the treatment of muscle strain effect is also very good. Now there are many electrotherapy equipment in the clinic, patients in the electrotherapy, should choose to go to the regular hospital to do, and to have a safety certificate of medical equipment can be used. Electrotherapy equipment in the clinical a variety of medical equipment, some medical equipment is unqualified, it is recommended to be carefully selected.