Spasmodic cervical tilt with botulinum toxin usually provides relief for 3 to 6 months. This disease is an intermittent or continuous involuntary contraction of the neck muscles causing head and neck tilt and postural abnormalities, with a prevalence of 30 to 40 years of age. There are four basic clinical types of spasticity: lateral contracture, posterior tilt, rotation, and forward flexion, which are characterized by pain and stiffness in the neck and shoulders, inflexibility of movement, and anxiety. Diagnosis requires medical history, physical examination, head and neck CT and electromyography. Botulinum toxin injections are effective, but the effect lasts for about 3 to 6 months, and can be re-injected after 6 months if the condition has not recovered well. Two weeks before the injection should not take aspirin anticoagulant, need to be free of active infection foci; 3 ~ 4 hours after the injection to maintain an upright position of the head and neck, the injection site can not be massaged. Botulinum toxin injection is a biological toxin muscle relaxant, through the blockade of neuromuscular conduction so that the local muscle relaxation paralysis, thereby relieving the local symptoms play a therapeutic role. Botulinum toxin side effects include nausea, vomiting, diarrhea, dizziness, headache, blurred vision, dyspnea and decreased blood pressure, etc.; use with caution in infirmities, blood diseases, connective tissue diseases, children and people with liver and kidney insufficiency; and contraindicated in myasthenia gravis and allergic individuals. If you suffer from spasmodic cervix, it is recommended that patients go to regular hospitals for consultation and treatment, and the drugs should be applied under the guidance of a professional physician, and should not be blindly handled on their own or blindly used to avoid delays in the condition.