It may be that coriander, parsley, parsley and parsley are widely planted in coastal areas, Europe, America and Japan. Celery contains a lot of iron, vitamin A and vitamin C, and it is an aromatic and spicy leafy vegetable. It is widely used in western food and can be used as spice or raw food. Especially chewing celery leaves after eating onion and garlic can eliminate the odor in the mouth. Parsley, English name, alias Faxiang, Parsley, French Parsley, Coriander, Parsley, Apium graveolens and Parsley, is a biennial herb of the genus Parsley in Umbelliferae. Edible young leaves, such as spicy vegetables. Fresh root and stem juice can be used as medicine. Origin of coastal areas in China. Western Asia, ancient Greece and Rome began to use it as early as BC, and it was widely cultivated in China, mainly used in western food industry. It is an indispensable spicy seasoning and decorative vegetable in western food. It is suitable for raw food and needs to be supplied all year round.