Collar ligament strain is mainly a cumulative injury of the collateral ligament caused by excessive forward flexion of the neck, and patients may experience symptoms such as neck soreness, pain, and limited neck movement. The collateral ligament is the ligament on the spinous process of the cervical spine, and collateral ligament strain is mainly caused by excessive forward flexion of the neck, resulting in cumulative injuries of the collateral ligament, such as prolonged head bowing, habitual high pillow sleep, excessive twisting and trauma, and so on. Collar ligament strain patients may experience neck soreness, pain, some patients with collateral ligament strain may also experience stiffness in the joints, limited neck movement and other symptoms. For patients with severe pain caused by collateral ligament strain, they can take analgesic medications such as aminophenol toxin tablets, ibuprofen, etc., as prescribed by the doctor, or relieve the pain through hot compresses, acupuncture, physiotherapy, and other ways. For patients with serious conditions, they can be treated with needle knife and surgical repair to improve their condition.