2. Celery is rich in protein, carbohydrates, carotene, B vitamins, calcium, phosphorus, iron and sodium. At the same time, it has the effects of calming the liver and clearing away heat, expelling pathogenic wind and promoting diuresis, relieving restlessness and swelling, cooling blood and stopping bleeding, detoxifying and dispersing lung qi, invigorating stomach and promoting blood circulation, clearing intestine and relaxing bowels, moistening lung and relieving cough, lowering blood pressure, strengthening brain and calming nerves.