The small needle can treat part of the pear-shaped muscle syndrome, most cases also need oral anti-inflammatory drug treatment. 1. Piriformis syndrome is caused by damage to the piriformis muscle, local inflammation, inflammatory congestion, adhesion or swelling and compression of the sciatic nerve, resulting in sciatic nerve compression and buttock pain, pain in the lower limbs or limitation of movement and a series of other manifestations. 2. Small needle knife belongs to a kind of loosening invasive operation, through to the adhesion of the fibrous tissue to break off, loosening and then relieve pain symptoms, the indications are mainly soft tissue chronic injury lesions or adhesion of soft tissue disorders. Therefore, it can be used for part of the pyriformis syndrome, such as chronic pyriformis syndrome. 3. For pyriformis syndrome, oral anti-inflammatory drug treatment is also needed in most cases, generally based on non-steroidal anti-inflammatory drugs, such as bisacodyl, acetaminophen and other drugs. Pearly muscle syndrome is recommended to go to a regular hospital, standardized diagnosis and treatment.