Rustling when turning the neck to consider physiological popping, collateral ligament strain, cervical spondylosis and other causes. 1. Physiological rattling: when turning the neck when the tendons and joints friction sound, generally no obvious pain, without special treatment. 1. Collar ligament strain: frequent desk work or frequent head down will cause neck collar ligament and cervical spine around the muscle strain, muscle elasticity decreases, tendon calcification, when the activity of the cervical spine and the friction of the surrounding tissues will appear rustling sound. 2 cervical spondylosis: cervical spine physiological curvature straightening, small joint hyperplasia, joint capsule contracture, nucleus pulposus degeneration, when the activity of the cervical spine when the rustling sound will be issued, and some will have cervical spine activities are limited. If the activity of the neck rustling sound, if no symptoms, then observation can be, if the combined discomfort, pay attention to correct the bad posture, if necessary, seek medical treatment, under the guidance of the doctor for treatment.