According to the individual's specific situation and the doctor's diagnosis, whether it is necessary to keep the needle needs the doctor to decide according to the patient's specific situation. If the patient needs to keep the needle, the doctor will determine the time and acupoints of keeping the needle according to the condition and personal physique to ensure the therapeutic effect and safety. Shoulder-piercing polar spring is a traditional Chinese medicine therapy, which is mainly used to treat scapulohumeral periarthritis, cervical spondylosis, lumbar disc herniation and other diseases. It uses acupuncture to stimulate acupoints to achieve the effects of dredging collaterals, relaxing muscles and tendons, promoting blood circulation, reducing swelling and relieving pain. Needle retention is to leave the needle on the acupoint for a period of time after acupuncture to enhance the stimulation effect.