Objective: Through medical teamwork intervention to group education improves type 2 DM blood sugar. Methods: Receiving antidiabetic drugs and A1c > 7.5% of type2 DM. Events from 20150601 to 20160228 (9 months),experimental design of a single group pretest and posttest, through dialogue Steno card lead patients to discuss thoughts and feelings; using insulin still have poorly controlled A1c > 7.5% who were "self-adjustment of insulin training camp ";using OHA poorly controlled A1c> 8% who were" insulin needle camp." Results: Total 56 cases, nine group education. pre-A1c 9.36 ± 1.94%, post-A1c 7.13 ± 0.84%, pre-fasting blood glucose 181.25 ± 63.62 mg/dL, post-fasting blood glucose 132.64 ± 41.66 mg/dL, pre-postprandial glucose 229.5 ± 89.61 mg/dL, post-postprandial glucose 164.71 ± 53.84 mg/dL, exercise time (minutes/week) pre-exercise time 91.61 ± 65.33, post-exercise time 114.11 ± 55.59. More than (P < .001)reached statistical significance. Conclusion: The medical team involved in group education can effectively reduce A1c and improve blood sugar.