Diligence Roasted celery is a special dish in Shantou, which means hard work. It is also called seven dishes or seven treasures soup. It is a unique traditional custom in Chaoshan and Minnan areas during the Spring Festival. Celery is rich in protein, carbohydrates, carotene, B vitamins, calcium, phosphorus, iron and sodium, which can promote the secretion of gastric juice and increase appetite. Eating celery regularly, especially celery leaves, is very beneficial to prevent hypertension and arteriosclerosis. Celery has the effects of clearing away heat and toxic materials, inducing diuresis to reduce swelling, calming the liver and lowering blood pressure.