Treatment of facial muscle spasm Formula: 100g of white peony, 15g of Zhi Mu, 12g of cicada molasses, 30g of roasted licorice, 24g of nightshade, decoction in water, 1 dose daily, usually cured in 3 to 5 doses. Post-doctoral researcher Bai Xiaoju of the Information Division of the National Pharmacopoeia Commission commented: Facial myoclonus is a paroxysmal attack of twitch-like contraction of one facial muscle, which is common in middle-aged women and above. Severe cases may be accompanied by mild facial muscle weakness and myasthenia gravis. According to Chinese medicine, this disease is caused by the invasion of wind and cold evil into the tendons and veins, blocking the flow of qi and blood, or qi and blood deficiency, facial meridians and tendons lose nourishment, or liver and kidney yin dark depletion, unable to moisten the tendons and veins, resulting in the onset of the deficient wind internal movement. In this formula, white peony nourishes liver yin and calms liver yang, Zhi Mu clears heat and fire, nourishes yin and moistens dryness, cicada molasses disperses wind-heat, cools the liver and stops wind and spasm, nightshade vine nourishes the heart and calms the mind, dispels wind and channels, vermilion calms the mind, and roasted licorice harmonizes all the medicines. The combination of the drugs has the effect of nourishing Yin and calming the liver, calming the wind and stopping spasm, and has certain curative effect on the spasm of the opposite muscle. It is especially suitable for facial muscle spasm caused by the dark depletion of liver and kidney yin and the loss of moistening of tendons and veins. It is more effective when combined with acupuncture treatment.