Boys can eat celery in general, but not if they are allergic to celery. Celery belongs to a kind of vegetable, which contains vitamin B₂, iron, phosphorus, sodium and other nutrients, which can not only give the body the required nutrients, but also promote gastrointestinal peristalsis. 100 grams of green vegetables contain 16 calories, of which 3.1 grams of carbohydrates, 0.7 grams of protein, 0.2 grams of fat, 22 micrograms of vitamin A, 0.27 milligrams of vitamin E, vitamin K29.3 micrograms of vitamin C3.1 milligrams of vitamin C, 260 milligrams of potassium. Eating celery in moderation for boys will not have any effect on their health as well as their development, so they can eat celery, but it is not recommended to eat too much at once. If boys have an allergic reaction to celery, they are usually not allowed to eat celery, otherwise it will cause allergies, itchy skin, rashes, breathing difficulties and other adverse symptoms. Boys should pay attention to dietary diversity, meat and vegetables, balanced nutrition.