Wu Ling San can cure frequent urination. Wu Ling San is formulated from five Chinese medicinal herbs: poria, poria, atractylodes, zedoary, and cinnamon sticks, which is an expectorant of dampness in Chinese herbal formulae, with the effects of diuresis and seepage of dampness, warming yang and transforming qi, and it is mainly used for treating water retention of unfavorable bladder qi and transformation. The symptoms include unfavorable urination, headache and slight fever, thirst and desire for drinking, or even vomiting when water enters, or palpitations under the umbilicus, vomiting of prolonged foam, dizziness, vertigo, shortness of breath and cough, edema and diarrhea. The most commonly used clinical treatment is chronic prostatitis and advanced urinary frequency, urinary urgency soothing symptoms and control, for acute and chronic prostatitis has a very good therapeutic effect. For pyelonephritis caused by frequent urination, urinary urgency symptoms, but also based on antibiotics as the first choice for treatment of drugs. Wuling San can treat urinary frequency, but according to the TCM evidence-based treatment, it is not for all of the urinary frequency, urinary urgency can play a good treatment, mainly expectorant agent, has the effect of diuretic penetration, warming the yang and qi, in the process of treatment should be based on the TCM evidence-based treatment to choose the drug.