During scraping treatment, we should pay attention to improving living environment, stabilizing mood and keeping calm. It is best to wash your feet with warm boiled water before going to bed every night, and wipe the center of your feet from front to back with a scraping board for 3 to 5 minutes. After a long time, you can get better curative effect. When scraping the back, focus on scraping Yishu, Xinshu and Shenshu points next to the eighth and ninth thoracic vertebrae. The cycle is 5 ~ 7 days. Long-term adherence is effective in preventing and treating cardiac, cerebral and renal complications in patients with type I diabetes.