The common causes of neck tendon pain on both sides are as follows: 1, neck muscle strain: prolonged low head ambulation work will cause neck muscle spasm, local ischemia, hypoxia and soreness and discomfort, accompanied by stiff neck muscles and limited cervical spine activities. 2, cervical spondylosis: cervical intervertebral disc rupture will cause reflex spasm tension in both sides of the neck muscles, there will be stiff neck and limited activities, as well as 3, cervical trauma: such as cervical muscle strain or cervical spine fracture dislocation, can cause both sides of the neck muscle, tendon sustained spasm tension, and accompanied by severe pain symptoms. Tendon pain on both sides of the neck should be diagnosed and treated early so that clinical symptoms can be controlled and avoid delayed diagnosis and adverse consequences, which can affect the normal life and work of patients.