Diabetic patients can drink sugar-free, skimmed milk, and drinking milk needs to be moderate. Sugar-free milk has a low glycemic index, slow rise in blood glucose after drinking, will not lead to dramatic fluctuations in blood glucose; diabetic patients often have high blood lipids, high risk of cardiovascular disease, should be a low-fat diet, more suitable for skimmed milk. Milk is a food with high nutritional value, rich in protein, vitamin A, vitamin D, calcium, phosphorus and other minerals, these nutrients are beneficial to the human body, can be consumed in moderation. However, it is not suitable to drink too much milk, or it may lead to bloating, indigestion and so on. Diabetic patients should have a low-salt, low-fat and low-sugar diet in their daily life, control energy intake, combine exercise and medication, monitor blood glucose and have regular follow-ups.