The violet is rich in proteins, starch, fruit glues, cellulose, amino acids, vitamins and a variety of minerals. It is also rich in selenium and nymphs, which are natural and powerful free-base cleaners, and the selenium and iron in the cassava are essential elements of human resistance to fatigue, old age and blood. It benefits from osmosis, spleen wetting, heat excretion, etc.; as a cosmetological food, it has the effect of keeping the skin light and fine, eliminating the sting, freckles, rough skin etc. Silver ear improves liver detoxification and protects liver function, and it also has the effect of acupuncture, gas-breeding, salivating, brain repair, curing and drying. It's good for women。