Product is a protein hydrolase can selectively hydrolyze the peptide chain of proteins by the carboxyl group of lysine or arginine, can digest the dissolved denatured egg quality, undenatured protein had no effect, therefore, make pus, sputum, blood clots, such as decomposition, thinning, easy drainage exclude, accelerate wound purification, to promote granulation tissue newborn, in addition to anti-inflammatory role. Clinic for empyema, hemothorax, surgical inflammation, ulcers, traumatic injuries, fistulas and other local edema, hematoma and abscess. Spray inhalation for respiratory diseases. Also be used for the treatment of snakebite