The Chinese yam we often say, also known as yam, is the tuberous root of the perennial herb Dioscorea diosciaceae, suitable for stewing soups or desserts, with a sweet and full taste. Chinese yam can strengthen the spleen and stomach and aid digestion: Huaishan contains amylase, polyphenol oxidase and other substances, which are beneficial to the digestion and absorption of the spleen and stomach. Regardless of spleen yang deficiency or stomach yin deficiency, it can be eaten. Long-term use can adjust the spleen and stomach weakness, lack of appetite, fatigue, diarrhea and other diseases, and has a very high value for maintaining good health.