A cup of milk is about 200ml, and its calorie is 108 calories. It can be seen that milk is not a high-calorie drink, and the calories of skimmed milk will be lower. A cup of skim milk is about 200 grams, with only 66 calories. Therefore, you can drink a little milk in moderation during weight loss. Many people like boiling milk at high temperature. In this process, be careful not to cook milk at high temperature for a long time. This is because protein in milk will be affected by high temperature, changing from sol state to gel state, resulting in precipitation, which will reduce the nutritional value. Therefore, we must grasp the time when cooking milk.