In tennis elbow (epicondylitis of the humerus), the tendon at the beginning of the lateral forearm extensor muscle of the elbow joint becomes inflamed and painful. The patient may feel pain in the affected area when gripping or lifting objects with force. Tennis and badminton players are more common, and housewives, bricklayers, and carpenters who repeatedly exert themselves for long periods of time to do elbow activities are also susceptible to this disease. Floating needle is the abbreviation of floating needle therapy, but also its special tool for single-use floating needle. Floating needle treatment of tennis elbow, the clinical effect is clear, generally after a treatment can have obvious results, not serious patients can be cured after three to five times of treatment! Floating acupuncture is painless, safe, and fast-acting! The operation technique is mainly in the mastery of the depth of needling and scattering sweep. Both too deep and too shallow needling can cause pain. The number of times of scattering should be decided according to the length of the disease. Also pay attention to the aseptic operation!