Eggs and coffee can be eaten together to replenish protein and energy for the body, but a small number of people who are allergic to eggs or caffeine are not recommended to eat. Eggs are rich in protein (12.5g/100g), amino acids, fat, phosphorus and other nutrients; coffee contains carbohydrates, caffeine and other nutrients; eggs and coffee eaten together in moderation has no adverse effects, and will not cause harm to the body, but also for the body to replenish nutrients and energy. However, it should be noted that coffee contains a certain amount of caffeine, excessive consumption will stimulate the stomach and intestines, and may also affect sleep; a large number of eggs may also cause bloating and other gastrointestinal discomfort. Therefore, coffee and eggs should be consumed appropriately, and avoid drinking large quantities over a long period of time. If you are allergic to eggs or coffee, it is not recommended to eat, so as to avoid allergic reactions and jeopardize your health.