The effects of Atractylodes macrocephala are to diuretic, subdue swelling, fix the surface and stop sweating, dry dampness and strengthen the spleen. In clinical practice, the effects of Atractylodes macrocephala are mainly diuretic, and at the same time can lower the patient’s blood sugar, which is very suitable for diabetic patients; it has a strong effect, can improve the immunity of the body, improve the body’s resistance to disease, and has a health care function for the spleen and stomach; it can improve blood clotting, and has a great effect on cardiovascular and cerebrovascular, especially can dilate blood vessels, and has a certain therapeutic effect on heart disease. It can also be antibacterial, especially for the gastrointestinal tract of Helicobacter pylori, has a very good resistance; can prevent the appearance of tumors. The main contraindications of Atractylodes macrocephala are: people with internal heat and fluid depletion due to yin deficiency should take it with caution; it is also not recommended for people with obvious congestion of real evil in the body.