你的醫生對於糖尿病患者的結腸鏡檢查前的準備都有具體的指導，需要經常自查血糖，可以飲用透明的含糖飲料。

Generally, the day before the test, you'll only be able to have clear liquids. These include water, tea, coffee, clear juices and broths, gelatin, and sports drinks.