The correct way to use black sesame for laxative purposes is to decoct it or take it in pills or powder. Black sesame is a dual-purpose medicinal product, its flavor is sweet, flat, into the liver, kidney, large intestine meridian, has the effect of tonifying the liver and kidney, benefiting the essence and blood, moistening the intestinal dryness. Because black sesame is rich in oil, so it can relieve constipation, laxative, clinical practitioners are mostly used in the essence of blood deficiency and constipation caused by intestinal dryness. It can be used alone in decoction or in pills and powder, or used with Angelica sinensis, Cistanchis, flaxseed and other laxative products. It should be noted that it should not be taken by people with loose stools. If necessary, it should be used after consulting a traditional Chinese medicine practitioner in a professional hospital.