Mini-needle knife treatment is clinically a minimally invasive treatment using a special type of needle. The treatment range is very wide, for example, diseases with soft tissue injury, including trapezius muscle injury, head pinch muscle strain, supraspinatus ligament injury, lower posterior serratus muscle injury, gluteus medius muscle injury, lumbar intervertebral disc herniation, and chronic achalasia are all very effective. It should be specifically suggested which disease is to be treated with the knife, because the needle and knife methods are different for different diseases. Only according to the specific disease typing, the use of symptomatic needle, knife method of treatment, in order to have very satisfactory results. Needle knife operation must have clinical anatomy more familiar with the operation of clinicians, in order to ensure the safety and feasibility.