Fructus aurantii can break qi and remove swelling, dissipate accumulation and guide stagnation, promote qi and remove stasis, and has dual regulation effect on gastrointestinal smooth muscle. Fructus aurantii is pungent and bitter. It mainly enters the spleen and stomach meridians, which can not only break qi and remove swelling, but also dissipate accumulation and guide stagnation. Therefore, it can be used to treat patients with gastrointestinal stagnation and qi stagnation. In addition, Fructus Aurantii promotes qi to remove stasis, breaks qi and removes fullness, and relieves pain. In general, it is used to treat chest obstruction caused by turbid phlegm and poor chest yang, that is, coronary heart disease or angina pectoris. Generally, patients will experience chest fullness and pain. Generally, it is used together with Xiebai and Guizhi in clinical practice. It is called Gualou Xiebai Guizhi Decoction in clinical practice. In addition, it can also treat some phlegm heat knot chest, which can be used together with coptis chinensis, trichosanthes and pinellia ternata. In addition, it has a dual effect on gastrointestinal smooth muscle, which can not only excite the gastrointestinal tract and increase gastrointestinal peristalsis, but also reduce intestinal smooth muscle and relieve spasm. Therefore, at high concentrations, it inhibits intestinal smooth muscle, and at low concentrations, it temporarily inhibits intestinal smooth muscle (followed by excitatory effect).
