Half of the face tightness may be due to facial nerve paralysis and other causes, belongs to the Chinese medicine facial paralysis, mouth seclusion and other categories, can be identified and used to pull the Zhengsan and other prescription drugs treatment. The formula is made up of white aconite, white silkworm, scorpion (depoisoned), with the effect of dispelling wind and resolving phlegm (dispelling wind and resolving phlegm), and relieving spasm (stopping spasm by dredging the meridians). It is used for treating wind in the head and face meridians. Symptoms include askew mouth and eyes, or facial muscle twitching, pale red tongue and white moss. Clinically, it can be used for facial nerve paralysis, trigeminal neuralgia, migraine, etc. belonging to the wind and phlegm obstruction (liver wind and phlegm caused by the body’s qi and blood inversion, upward disturbance of the brain orifices, resulting in brain meridians can not be blocked, appeared in the mouth and eyes skewed, hemiparesis of one side of the limbs, slurred speech and so on as the main manifestation of the evidence). The adverse effects and contraindications of this product are not clear, the formula of white aconite and scorpion have a certain degree of toxicity, the dosage should be cautious. Tightness on one side of the face needs to be clarified to determine the specific cause of the disease, it is recommended to consult a doctor in a timely manner, under the guidance of the doctor for diagnosis and treatment.