Pain on both sides of the neck when turning left and right may be related to the following reasons: 1. There may be cervical spine-related injuries, such as muscle strains on both sides of the neck caused by patients during strenuous activities, or direct impacts on the neck or head, resulting in cervical spine-related injuries, which may cause patients to have pain on both sides when moving the neck. 2. It may be caused by muscle spasms on both sides of the neck, which is due to the patient’s neck being cold, or long-term fixation of the neck in a certain position without moving, resulting in patients having pain on both sides when turning the neck. 3. 3.It may be caused by excessive fatigue, such as the patient using a heavy object on the head or doing excessive exercise involving the neck, causing excessive fatigue of the muscles on both sides of the neck, and if the patient moves the neck, there may be pain on both sides. 4.It may be caused by cervical spondylosis , in the process of all cervical spondylosis onset, the localized type of cervical spondylosis, also known as cervical type, is a necessary stage, and once suffering from such cervical spondylosis, the above symptoms may appear.