Yam is sweet and flat in nature, and belongs to the spleen, lung and kidney meridians. It nourishes the spleen, nourishes the stomach, generates fluids and benefits the lungs, nourishes the kidney and astringes the essence. It is used for spleen deficiency with little food, prolonged diarrhea, lung deficiency with asthma and cough, kidney deficiency with spermatorrhea, dyspareunia, frequent urination, deficiency heat and thirst. Often used with ginseng (or ginseng), atractylodes, poria, etc., in order to strengthen the spleen and qi, seepage dampness to stop diarrhea. Today I recommend a dietary therapy – yam and purple rice porridge, as a breakfast for long-term consumption, can replenish the middle and benefit the qi, strengthen the spleen and stomach, stop sweating, especially suitable for weak spleen and stomach, weakness, anemia and blood loss, palpitations and shortness of breath people eat. Take 1 section of fresh yam, 100 grams of purple rice, 3 to 5 red dates, rock sugar. Purple rice washed, put into the water, soak 1 ~ 2 hours; yam peeled and cut into pieces, red dates to remove the core washed. Pot of purple rice first boiled with high heat, change the fire, cook to porridge will become, add yam, jujube cooked together for 15 minutes, add rock sugar seasoning that is complete. Selection of yam to strip thick, solid, powdery enough, white color is good. If the whole root has not been cut, can be stored in a cool ventilated place; if it has been cut, can be covered with a damp cloth to moisturize, and put into the refrigerator for freshness or peeled and cut into pieces, packaged in bags, and then put into the refrigerator for freshness.