USERS: It is chiefly used to depress intracranial pressure, intraocular pressure, to eliminate encephaledema and to treat cerebritis B, and it is of a great help in operating and rescueing work. It has a special curative effect in the prophylaxis and treatment of renal failure, collapse and shock, and it also can be used as a kind of substitute sugar to those who are suffering from diabetes as well as in the making of tooth-paste and heat-preserving rigid foam blisters in the industry of daily use.