You can drink milk and coffee together. Drinking milk and coffee together will make the coffee taste more mellow, but it is not recommended to drink too much to avoid over-excitement and difficulty falling asleep. Since coffee can stimulate the secretion of gastric acid, drinking too much will cause stomach discomfort, so coffee and milk Drinking them together can reduce stomach irritation and improve acid reflux symptoms; at the same time, milk coffee can increase the effect of calcium supplementation.