When a patient has the symptom that one side of the neck hurts very much like a cramp, it may be caused by physiological factors, or it may be caused by cervical spondylosis, cervical fasciitis and other diseases. Different causes, different treatment methods, commonly used treatment methods for general treatment, drug treatment, physical therapy and so on. 1. Physiological factors: As the patient keeps the cervical spine in one movement for a long time, the neck muscles are strained, and a large amount of lactic acid accumulates on one side of the neck, thus causing pain on one side of the neck like a cramp. This symptom can disappear with the passage of time, and can also be alleviated by promoting blood circulation in the neck through physical therapy such as hot compresses and massage. 2. Cervical spondylosis: When a patient suffers from cervical spondylosis, the muscles around the neck are usually under high tension to protect the cervical vertebrae, resulting in cramp-like pain on one side of the neck. Patients are advised to use physical therapy methods such as acupuncture and baking electricity to promote blood circulation in the neck, and can also take non-steroidal anti-inflammatory and analgesic drugs, such as nimesulide capsules, to alleviate the symptom. 3. Cervical myofasciitis: due to long-term chronic strain injury caused by the neck to generate cervical myofasciitis, the inflammation will stimulate the surrounding tissues of the neck, resulting in pain on one side of the neck like a cramp. It is recommended that the patient through the grilling electricity, ultrasound and other physical therapy to promote blood circulation in the neck, but also through the use of muscle relaxation drugs to relieve the symptoms, such as ethylpiperisone hydrochloride tablets and so on. If the patient has one side of the neck pain like cramps, may also be due to acute sprains and other diseases, we recommend that the patient consult a doctor in a timely manner, to clarify the cause of the disease, and comply with the doctor’s instructions to standardize the treatment. The use of the above drugs need to comply with medical advice.