The benefits of proprietary Chinese medicines or TCM are reflected in the efficacy of the medicines. The efficacy of taking Gui Zhi Tang is to detoxify the muscles and release the Qi (using sweating and other methods to make the evil Qi trapped in the muscle surface to go out), and regulate the Ying and Wei (to make the body’s internal and external Qi fluent, each in its own way), and it should not be taken for a long period of time. Gui Zhi Tang is an antidepressant composed of Gui Zhi, Paeoniae Alba, Ginger and Jujube. It is mainly used for treating external wind-cold syndrome of surface deficiency (a type of syndrome characterized by fever, fear of cold, sweating, and fatigue, etc.), which is characterized by fear of wind and fever, sweating and headache, nasal ringing and nasal congestion, and dryness and vomiting. It is clinically used to treat colds, postpartum or post-disease low fever, influenza, vomiting in pregnancy, frostbite, urticaria, etc. It belongs to the disharmony between Ying and Wei. Where the external wind-cold surface solid without sweating is prohibited. It should be noted that during the period of taking the medicine, it is forbidden to eat raw and cold, sticky and greasy, wine, meat, odor and other things. Adverse effects are not clear. Symptoms may change during the course of medication and long-term use is not recommended. If you need to use the medicine, it is recommended to use it under the guidance of a traditional Chinese medicine practitioner, unauthorized use of the medicine may cause adverse consequences.