Parsley is a biennial herbaceous plant belonging to the Apiaceae family and the Eucommia genus. The parsley root is spindle shaped and sometimes thick. Eucommia is native to Europe, the Mediterranean coast, and various countries in West Asia, and is cultivated around the world. It was introduced to China in the early 20th century. Celery is crispy, tender, and refreshing, with a strong aroma and rich nutrients. It can be consumed or used as a spice in the food industry. Chewing its leaves can also eliminate bad breath and has economic value. The stems, leaves, and seeds of parsley are rich in volatile oils and flavonoids. In Europe, its roots and stems are also used as medicine, with diuretic, detoxifying, and preservative effects. It is commonly used to treat nephritis, cystitis, and prostatitis, or mixed with diuretics.