Oats are sweet and flat. Can benefit the spleen, nourish the heart and stop sweating. It has high nutritional value. Can be used for patients with spontaneous sweating due to physical weakness, night sweats or pulmonary tuberculosis. Cook soup and fry clothes, or "peel" steamed noodles to make cakes. Oats are rich in dietary fiber, which can promote gastrointestinal peristalsis, facilitate defecation, have low calories, low glycemic index, and reduce blood fat and blood sugar. Oats are also one of the advanced supplements and indispensable dry food in poor areas.

Black rice has antibacterial, blood pressure lowering and cancer cell growth inhibiting effects. Black rice can also improve myocardial nutrition and reduce myocardial oxygen consumption.

Longan: nature: sweet and flat. It can nourish the spleen and stomach, nourish the heart and improve intelligence, nourish blood and soothe the nerves.