Cattle skin vegetables, also called thick skin vegetables, can be used for eating. Rich in vitamin C, reducing sugar, calcium, cellulose and other nutrients, beneficial to human health. The root of broken ear is also called Houttuynia cordata Thunb. Its leaves and roots are edible. Its taste is strange and fishy, so it is called Houttuynia cordata. It's also Chinese herbal medicine. Generally, Houttuynia cordata likes to grow on the ridge!