The effect of celery leaves on calming liver and lowering blood pressure is mainly because celery contains acidic antihypertensive components. Animal experiments have proved that intravenous injection of celery leaves has obvious antihypertensive effect on rabbits and dogs. Clinically, it is effective for essential hypertension, pregnancy hypertension and climacteric hypertension.

An alkaline component isolated from celery seed has sedative effect on animals and human body, which is beneficial to calm mood and eliminate irritability.

Celery is a kind of high-fiber food, which has the function of preventing cancer. It produces a lignin or intestinal fatty substance through intestinal digestion, which is an antioxidant and can inhibit carcinogens produced at high concentration in enteric bacteria. It can also speed up the running time of feces in the intestine and reduce the contact between carcinogens and colon mucosa.

Celery has a high iron content and can supplement women's menstrual blood loss. It is a good vegetable for patients with iron deficiency anemia. Eating celery can avoid pale, dry and dull skin, and make eyes bright and hair black.

The leaves and stems of celery contain volatile substances, which are fragrant and can enhance people's appetite. Celery juice also has hypoglycemic effect. Eating celery regularly can neutralize uric acid and acidic substances in the body, which has a good effect on preventing gout.