Zedoary is a common Chinese medicine, Chinese medicine believes that Zedoary is cold in nature and has certain effects of diuresis and dampness. Modern medical research, zedoary can reduce serum total cholesterol, triglyceride levels, by reducing blood lipids, can slow down the formation of atherosclerosis. Diarrhea can also treat inner ear vertigo, dyslipidemia, spermatorrhea, fatty liver, diabetes and so on. However, diarrhea is harmful in its application, and excessive dosage can lead to the development of liver and kidney toxicity.