Guizhi decoction is one of the classic prescriptions of traditional Chinese medicine. It consists of cassia twig, white peony root, ginger, jujube, licorice and other traditional Chinese medicines. Can be used for treating wind-cold common cold, headache, fever, shoulder and neck pain, chest distress, asthma, dysmenorrhea, insomnia and other symptoms. Specific impacts include:

1. Sweating and relieving exterior syndrome: Guizhi decoction can sweat, help to expel moisture and cold in the body, and relieve symptoms of exogenous diseases such as wind-cold and cold.

2. Warm the stomach and help digestion: Guizhi decoction can warm the spleen and stomach, increase the secretion of digestive juice and promote digestion and absorption. It is suitable for symptoms such as stomach cold, stomachache and dyspepsia.

3. Relaxing tendons and activating collaterals: Cinnamomum cassia twig, ginger and other ingredients in Guizhi Decoction have the functions of promoting blood circulation and removing blood stasis, relaxing tendons and activating collaterals, and can relieve symptoms such as shoulder and neck pain and low back pain.

4. Regulating menstruation: Guizhi decoction can regulate women's menstruation and relieve menstrual dysmenorrhea, irregular menstruation, dysmenorrhea, breast pain and other symptoms.

5. Relieve the nerves and lower blood pressure: Guizhi Decoction can relieve anxiety, tension, insomnia and other symptoms, and has a certain calming effect, which can help people relieve stress.

In a word, Guizhi decoction has many functions, and it can achieve good therapeutic effect by combining the specific conditions of different symptoms. However, we should also follow the principles of traditional Chinese medicine to avoid overdose or misuse.