Objective To investigate the efficacy of injecting insulin in family diabetes mellitus in Xiaofeng town community in Huzhou area and the problems of injection technique.Methods From February 2015 to December 2016, 94 patients with diabetes were injected with insulin in Xiaofeng town community in Huzhou area.From February 2015 to 3016, the fasting blood glucose(FPG), 2 h postprandial blood glucose 2hPG) and glycosylated hemoglobin(HbA1c), and to investigate the problems in the process of injecting insulin by questionnaire.Results After 3 months of injection, FPG, 2hPG and HbA1c were decreased in all patients(P<0.05).71 cases(75.53) were regularly rotated in the injection of insulin and 82 cases were alcoholic(81.9%), the use of 5 mm needle 86 cases(91.49%)[our hospital only 5 mm and 8 mm Needle, jurisdiction of the surrounding hospital needle is 6 mm.(76.20%), 12 cases(12.77%) of insulin needle, and 2 to 3 days of insulin needle(72.60%) were injected in the subcutaneous 10s(71.28%) after injection, 16 cases(17.2%) were replaced, 10 cases(48.94%) were replaced on the 10th day, and 11 cases(11.70%) were replaced when the insulin was replaced.9 cases(9.57%) were replaced after the pain.Conclusion Diabetic patients have definite therapeutic effect on insulin injection in family, but there are some defects in injection technique and injection hygiene.Therefore, health care workers need to strengthen their knowledge of injection of insulin injections in families.