This product is a diuretic. Carbonic anhydrase inhibitor, after taking, inhibits carbonic anhydrase in renal tubular epithelial cells, reduces the formation of H2CO3 and the production of H +. Therefore, the exchange of H + and Na + is greatly slowed down. As a result, the excretion of HCO3 -, Na +, K + increases and the urine volume increases. The product can also inhibit the secretion of aqueous humor and reduce intraocular pressure. It is used to treat glaucoma, mild cardiac edema, etc.