Neck pain on one side may be related to falling pillow, cervical spondylosis, lymphadenitis on one side, etc., and need to be treated with general treatment, medicine or surgery. 1. Falling pillow: For those caused by falling pillow, massage can be carried out under the guidance of professionals; for serious cases, NSAIDs such as meloxicam can be taken orally as prescribed by doctors. 2. Cervical spondylosis: for cervical spondylosis, oral ibuprofen and other non-steroidal anti-inflammatory drugs, methylcobalamin and other nutritive nerve drugs as prescribed by the doctor; conservative treatment is ineffective, feasible vertebral decompression and other surgical treatments. 3. Lymphadenitis: for acute tonsillitis and other neighboring organs caused by drugs resulting in enlarged lymph nodes, can be prescribed oral amoxicillin and other antibiotics, ibuprofen and other antipyretic and analgesic drugs, dexamethasone and other glucocorticosteroids; conservative treatment is ineffective, the feasibility of tonsillar stripping or extrusion cut. It is recommended that people who have pain on one side of the neck consult a doctor in time to clarify the cause of the disease and standardize the treatment under the guidance of the doctor.