The benefits of drinking coffee in the morning are that it can refresh the mind and can also promote gastrointestinal peristalsis and help relieve constipation. The bad thing about drinking coffee in the morning is that drinking too much coffee or drinking strong coffee on an empty stomach may have a negative impact on the gastrointestinal tract and the heart, especially for those with gastrointestinal disorders, who are more likely to experience discomfort from drinking coffee in the morning. The caffeine contained in coffee can stimulate the central nervous system, making people become excited, full of energy, with a revitalizing effect, can make work and study more focused. Coffee also contains acidic fats, research shows that acidic fats can make the digestive tract muscle contraction function in a certain degree of enhancement, so the morning coffee can also stimulate intestinal peristalsis, relieve constipation. In addition, coffee has a certain diuretic effect, which can help relieve edema and promote metabolism. Drinking coffee in the morning is generally not bad for the body, however, if you are drinking strong coffee on an empty stomach or drinking a lot of coffee, it may have some impact on your health. Drinking strong coffee on an empty stomach may stimulate excessive secretion of stomach acid, leading to stomach discomfort, which may cause acid reflux, heartburn, belching and other symptoms, especially for people with gastrointestinal diseases, such as gastric ulcer, duodenal ulcer, drinking coffee on an empty stomach may stimulate the gastrointestinal mucosa, which is not conducive to disease recovery. If you drink too much coffee in the morning and consume too much caffeine, it may lead to symptoms such as increased heart rate and irritability, and in the case of patients with heart disease, it may seriously induce a heart attack. And excessive coffee consumption will lead to excessive caffeine intake into the body, which may stimulate central nervous excitement, and a few sensitive people may lead to insomnia at night. So coffee in the morning, it is recommended to drink with breakfast intake, or after breakfast, and to pay attention to moderate consumption, also not recommended to drink strong coffee. If the amount and concentration of coffee consumption is appropriate, drinking in the morning generally does not cause too much impact on human health.