Kudzu root, Chinese medicine. For the leguminous plant kudzu dry root, habitually called kudzu. Autumn, winter two seasons digging, while fresh cut into thick slices or small pieces; dry. Sweet, pungent, cool. It has the function of relieving muscle fever, transmitting rash, generating fluids to quench thirst, and promoting Yang to stop diarrhea. It is often used in symptomatic fever, strong pain in the back and neck, impenetrable measles, feverish thirst, yin deficiency and thirst, hot diarrhea and hot dysentery, spleen deficiency and diarrhea.