The invention relates to the organic amine salt or hydrate for ceph compound used for treating bacteria infection, and the chemical formula is demonstrated in (I).Said organic amine can be lycine, arginine, tert-butylamine, diethanolamine, triethanolamine, diethylamine or meglumine. It comprises cefuroxime organic amine salt, ceftriaxone organic amine salt, ceftezole organic amine salt, cefoperazone organic amine salt, cephalothin organic amine salt, cefotaxime organic amine salt, cefradine organic amine salt, cefonicid organic amine salt, cefmetazole organic amine salt, cefodizime organic amine salt, cefmenoxime organic amine salt, ceftizoxime organic amine salt, cefpiramide organic amine salt, cefazolin organic amine salt, cefoxitinorganic amine salt and flomoxef organic amine salr. The invention provides the medical compound taking compound in formula (I) as active element and its application to preparation of medicine for treating bacteria infection.