The correct usage of Wu Ling San should be used orally, and the usefulness of Wu Ling San applied to the navel is not clear. Wu Ling San is composed of Poria, Zelia, Poria, Cinnamon and Fried Atractylodes. It has the efficacy of warming yang and transforming qi (warming the body’s yang qi), and inducing dampness and running water. It is used for oedema caused by Yang not transforming Qi (the body’s Qi is blocked), water-dampness stopping inside (water-dampness stays in the body), symptoms of urinary incontinence (urine is not smooth), oedema and abdominal distension, vomiting and diarrhea, and thirst and thirst for water. The adverse reactions and contraindications of Wu Ling San are not clear, if used with other drugs may occur drug interactions, please consult your physician or pharmacist for details. If the patient has any discomfort, please go to a regular medical institution; if you need to use Wu Ling San, must be used under the guidance of a professional doctor.