胰岛素口服后,很快被肝药酶代谢破坏,故临床上多采用皮下注射给药。但糖尿病患者一天需注射数次,极为痛苦和麻烦。且在同一部位经常注射可产生皮下脂肪萎缩症,所以有必要开发新剂型。至今,国内外已对 After oral administration of insulin, liver enzyme metabolism quickly destroyed, so the clinical use of subcutaneous injection. But diabetic patients need to be injected several times a day, extremely painful and troublesome. And often in the same place injection can produce subcutaneous fat atrophy, it is necessary to develop new dosage forms. So far, both at home and abroad have been right