In recent years, sweetpotato has become more and more popular as a health food and functional food. With the increase in demand, the planting efficiency of sweet potato is significantly better than that of other crops. However, what kind of sweet potato varieties are selected depends on the sales market, processing applications, and local cultivation conditions. Food and food processing products Sweet potatoes suitable for both fresh and cooked foods require high sugar content, with red or yellow potato meat, early maturation, resistance to storage, good potato shape, medium dry matter content, and low crude fiber content. The varieties are Ganshu 4 and Sushu 8 , Xiong 431, Xushu 23 and so on. Baking type and potato chips, French fries processing varieties require a slightly lower dry matter content, high sugar and pectin content, bright color of the finished product, texture, transparent and flexible, sweet taste, suitable varieties of Beijing 553, detoxification Zheng Hong 11 (high resistance to root Rot), Yufeng etc. Purple sweet potato is rich in anthocyanins, and its trace element selenium content is high and its anti-cancer activity is strong. The study of sweet potato in our country started late and the yield level was low, but the market price was higher. High-quality edible purple sweet potato uses Xu Zi No.2 and Zimei (Japanese sweet potato 0602), etc.; the extracted pigment is selected from Japan, purple violet and purple tobacco 176. Mini-sweet potato is a new type of sweet-smelling sweet potato variety with a sweet taste. It is suitable for microwave baking or cooking and curing. The mini-potato variety requires single roots with multiple roots and small size, 50-150 grams of monolithic weight, smooth appearance, beautiful potato shape, delicate texture, less crude fiber, good taste, resistance to diseases and insect pests, early maturing, and tolerance to storage. Suitable varieties are yam 4 potato, yam potato 98, yam potato 71, jishi 18 and so on. Starch processing varieties Starch processing varieties should be selected suitable for local cultivation, high starch content and starch production than the national standard variety Xushu 18 yield 15% to 20% of the varieties. Root rot and stem nematode wards were selected for high-yield, multi-disease-resistant national trial varieties such as Shangshu 19, Yushu 12 and Jishu 15; high starch and anti-glycated varieties were selected in the spring yam area without root rot. Such as Yushu No.7, Luo 96-6, Meiying No.1, etc.; heavy root rot wards can use virus-free Xushu 18 and Fushui 98. Vegetable variety Sweet potato is a new species developed in recent years. It mainly feeds on the young leaves of the shoot. It requires strong branching, high content of vitamins and minerals in stems and leaves, high yield in stem tip, no peculiar smell, less crude fiber, good color, and a young shoot tip, no fluff, and delicious taste. Such varieties are Tainong 71, Qishu 53, Shangshu 19 and so on. Medical Imaging,U Arm System,Mobile Patient Table,Compact Dr System MinFound Medical Systems Co., Ltd , https://www.minfoundmed.com