Department of Internal Medicine University of Electronic Science and Technology Sichuan Academy of Sciences&Sichuan Provincial People''s Hospital Chengdu 610072 China;
Department of Endocrine University of Electronic Science and Technology Sichuan Academy of Sciences&Sichuan Provincial People''s Hospital Chengdu 610072 China;
Department of Nephrology University of Electronic Science and Technology Sichuan Academy of Sciences&Sichuan Provincial People''s Hospital Chengdu 610072 China;
Picture description education; Diabetes mellitus; Insulin; Health education;