There are two ways to supplement beans: one is to cook beans, that is, to cook them with other drugs: "The recipe for cooking beans: the elderly can wear black hair and have strong teeth to improve their eyesight" in Liu Sude, a doctor of Ming Dynasty. The prescription uses Angelica sinensis 12g, Ligusticum chuanxiong, Glycyrrhiza uralensis Fisch, Pericarpium Citri Tangerinae 3g, Atractylodis Rhizoma 3g, Radix Paeoniae Alba, Flos Chrysanthemi 6g, Eucommiae Cortex, Radix Astragali Preparata 6g, Achyranthes bidentata, Radix Rehmanniae, Radix Rehmanniae Preparata 20g 12g, salt 20g, Polygonum Multiflori Radix 20g, Fructus Lycii 20g, cooked with black beans to remove the medicine, and dried to get beans. Zhang Shiwan's Ben Feng Jingyuan records that black beans "enter the kidney and divide blood, and steam with green salt, Eclipta prostrata and Polygonum multiflorum, but eating black beans is not white, and its kidney-tonifying function is known". These are all ways to cook black beans with drugs and then eat beans without drugs. The other is the single-dose method: the single-dose method has the function of tonifying kidney and nourishing blood, and is not cooked with other drugs. Compendium of Materia Medica says that "it can replenish essence and marrow, strengthen tendons and moisten muscles, turn white and turn black, grow old for a long time, and eventually become disease-free". Unilateral examples are as follows: resource China 1, treatment of night sweats: 30g black beans, 30g floating wheat, decoction; Or use 30 grams of black bean floating wheat, 8 grams of lotus seeds and 7 pieces of black dates to cook together. 2, dizziness: 30 grams of black beans, chrysanthemum 12 grams, medlar, tribulus terrestris 15 grams. 3, low back pain: 30 grams of black beans, fried Eucommia bark 15 grams, medlar 12 grams, decocted. 4, irregular menstruation: 30 grams of black beans, hematoxylin 15 grams of water decoction, add brown sugar to adjust the service. 5, muscle pain: 30 grams of black beans, mulberry branches 15 grams, medlar and angelica, 9 grams of angelica pubescens, decoction. 6, infant eczema: 30 ml of black soybean oil, yellow wax 15 g, * * * melted into a paste and applied to the affected area. 7, burns: 250 grams of black beans, boiled thick juice, apply appropriate amount to the affected area. This paper introduces several usages of black bean dietotherapy, and interested friends can choose according to their own situation. Using black beans after illness can promote recovery: soak black beans 100g in water for 30 minutes, add appropriate amount of water, boil for 40 minutes, season with a little salt or sugar, and eat twice, once in the morning and once in the evening. It usually takes a week to take effect. 2. Eating black beans can promote the growth of developing children: 1000g black beans are dried in the oven, ground and bottled for later use. 20 grams each time, twice a day. You can use boiled water to make a paste, or you can eat porridge. The effect of eating in four seasons is better. 3. Black beans are effective for patients with vitiligo or premature gray hair: Polygonum multiflorum Thunb. 1000g, 60g of salt, * * * Boil a large pot of water, filter off the residue, add 5000mg of black beans, cook for 30min, and take it out after it is 80% dry. Then boil it dry as before, and repeat it nine times (that is, the traditional Chinese medicine method of nine steaming and nine drying). Chew 25 grams each time, once in the morning and once in the evening, and stick to eating. 4. Nephritis edema or malnutrition edema Eating black beans can reduce swelling and increase appetite: How to eat: 100g black beans, 50g lean meat, boiled in water for 40 minutes, twice, once in the morning and once in the evening. Or use black beans1000g, one placenta, wash, dry in the oven, grind and bottle for later use. 20g each time, once in the morning and once in the evening, the effect is more obvious. Foods such as tuberculosis and chronic liver disease also have good effects. 5. External use of black beans and other decoctions to treat chronic eczema and neurodermatitis often produces unexpected effects. The method is: black bean skin, broad bean skin and lentil skin 125g each, add 2500ml of water, boil for 25min, then keep warm from the fire, and then soak the above decoction with dressing to moisten the affected area twice a day. One dose can be used for 3-4 days.