Celery is rich in nutrition, containing protein, a lot of vitamins, minerals and indispensable dietary fiber. Modern medical research has found that celery stems and leaves contain apigenin, bergamot lactone, volatile oil and other components, which have pharmacological effects such as lowering blood pressure and diuresis, stimulating appetite and strengthening stomach, and can be used as a diet therapy for hypertension, arteriosclerosis, neurasthenia and dysuria.