A sudden flash of pain on one side of the neck may occur with an acute muscle strain or sprain. The pain on one side of the neck can be relieved by neck braking, hot compress and massage, medication and so on. If, in addition to the neck side of the pain is also accompanied by pain and numbness of the limbs, should promptly go to the hospital, clear disease and then treatment. 1, neck brake: flash to the neck side of the pain, there may be strains, the neck should reduce activities to avoid getting cold, so as not to aggravate the disease; 2, hot compress massage: through hot compress, can relax the muscle, promote the blood flow in the muscle capillaries. Massage the neck muscles on both sides of the cervical spine can relieve muscle tightness and improve pain symptoms; 3, medication: if the flash to the neck, the pain is very strong, you can also use creams, by using blood circulation, anti-inflammatory and pain relief topical drugs, such as blood circulation and pain relief cream, anti-inflammatory and analgesic cream. Now in addition to traditional Chinese medicine creams there are also some creams with western medicine ingredients, such as ibuprofen cream, etc., which can improve blood flow in the neck and relieve the pain caused by flashing to the neck on one side. Those with severe pain can take oral pain medication. In addition, if you still don’t see improvement through the above methods, you can visit the TCM department to use acupuncture and tui-na to help recover. If there are other symptoms, it should be considered that it is not just a muscle ligament problem, and further consultation should be made to understand the cause and targeted treatment.