And only take 7 tests of finger-tip blood glucose per day ( glucometer: ACCU produced by Roche) for the patients in the control group. These tests are carried out before and 2 hours after the three meals, and right before sleeping. 仅对对照组患者进行每天监测7次指尖血糖(指尖血糖仪:德国罗氏血糖仪):三餐前、三餐后2小时、睡前血糖。