Cornhusk water has a certain amount of diuretic swelling (diuresis, eliminating edema) as well as diuretic yellow effect, cornhusk water is contraindicated for patients who are allergic to cornhusk. Cornhusk is sweet and neutral in nature, belonging to the bladder, liver and gallbladder meridians, and has the effect of promoting water retention and eliminating swelling, promoting dampness and eliminating yellowish color, patients with edema can take cornhusk water under the guidance of the doctor, which can play a role in eliminating swelling. At the same time, cornhusk water can also be used to assist in the treatment of jaundice, can play a diuretic effect. Cornhusk water is mostly used for decoction and internal use. Patients need to take the drug under the guidance of the doctor to follow the doctor’s instructions. Patients who are allergic to corn husk should be prohibited from taking corn husk water to avoid triggering allergic reactions.