Small needle knife, which is shaped like acupuncture needles, about four to eight centimeters long, less than one millimeter in diameter, with a 1-millimeter blade at the front end, is a combination of acupuncture therapy needles and surgical therapy knives, taking the therapeutic advantages of the two devices to be integrated, stabbing a specific part of the human body, adhesion, calcification, contracture, stiffness, hyperplasia of the diseased tissue peeling or loosening the lesions, so that the lesions of the soft tissues of the cardinal pressure to be lifted, thus restoring the dynamic balance of the organism, the condition of significant therapeutic effect. The dynamic balance of the body can be restored, and it can play an obvious therapeutic role for the condition. With the advantages of easy operation, minimal trauma, safety and reliability, rapid and precise curative effect, it is a more ideal treatment for neck, shoulder, waist and leg pain.