"Broken Ear Root" is the name of Miao family in Guizhou, which is actually Houttuynia cordata Thunb. There is a saying in the Miao family: "if you love him, give him two;" If you hate him, give him two. " That's because Houttuynia cordata will produce an unpleasant smell after kneading, but it is a famous dish in the Miao menu, and Houttuynia cordata must be fresh.