Pimples, usually referred to as acne, due to individual differences in factors, some people drink milk may be caused by acne, depending on the specific physical condition and constitution of each person. If you consume too much milk on a daily basis, it may stimulate insulin secretion in the body and increase the level of whey protein, which may cause acne. And drinking skim milk is more prone to acne, because the process of skimming skim milk to take away the unsaturated fatty acids in milk, lower insulin-like growth factor, so drinking skim milk may be more serious acne. The situation of acne, should be in the doctor’s judgment to see whether it is caused by drinking milk, to deal with the cause, usually can keep a light diet, more water, more physical exercise, enhance physical fitness.