糖尿病是威胁人类健康和生命的常见病。治疗糖尿病的药物———胰岛素已广泛应用于临床。人们探索和研究了经口给药、鼻腔给药、直肠给药、眼部给药及注射给药等多种途径。１经口给药１ １口腔吸收给药避免药物在胃肠中的降解和生物转化及经过肝脏时的首选效应。以羟丙基纤维素 Diabetes is a common disease that threatens human health and life. The treatment of diabetes drugs --- insulin has been widely used in clinical. People have explored and studied various ways such as oral administration, nasal administration, rectal administration, ocular administration and injection administration. 1 Oral administration 1 1 Oral absorption to avoid drugs in gastrointestinal degradation and biotransformation and the preferred effect of the liver. With hydroxypropyl cellulose