The meridian formula that can treat syncope needs to be recognized and treated, and can be used according to the condition, such as Ling Gui Zhu Gan Tang and Si Yi Tang. 1. Ling Gui Zhu Gan Tang: It is suitable for syncope caused by phlegm-drinking (pathological product formed by water-liquid metabolism disorder). The formula consists of Poria, Gui Zhi, Atractylodes Macrocephalae and Glycyrrhiza Uralensis, with the efficacy of warming yang and eliminating drinking (warming yang qi in the body to promote the metabolism of water-liquid), invigorating the spleen and inducing diuresis. It is mainly used to treat phlegm-drinking syndrome with deficiency of middle Yang. Symptoms include fullness in the chest and ribs, dizziness, palpitation, shortness of breath and coughing, white tongue coating, and slippery or tight pulse. If taking it, it should be noted that the drinker should not use it if it turns into heat and coughs up sticky phlegm, and the contraindications and adverse effects are not clear. 2. Four Reverse Soup: It is suitable for fainting caused by Yang deficiency, composed of Radix et Rhizoma Polygoni Multiflori, Radix et Rhizoma Glycyrrhizae Praeparatae and Radix et Rhizoma Glycyrrhizae Praeparatae, with the effect of warming the middle and dispelling the cold, and restoring Yang to save the body from fainting and unconsciousness by warming the Yang. It is used for treating Yang deficiency, cold sweating, syncope (unconsciousness with cold limbs, even to the elbows and above the knees), diarrhea (stools as thin as water or mixed with undigested food), and weak pulse. This medicine is highly targeted and potent, and should not be used by anyone other than those for whom this formula is indicated. Precautions and adverse effects are not yet clear. If you have symptoms, you should take the medicine under the guidance of a professional doctor, do not take the medicine blindly on your own, in order to avoid delaying the condition or producing adverse effects.