The Black Mountain Cherry Blossom Festival is held in late April of the lunar calendar. Heishan 'an Cherry refers to the cherry in Heishan 'an Village, yinan county, Linyi City, Shandong Province, also known as Caimeng Mountain Cherry. Known at home and abroad, the Cherry Blossom Festival is held in late April of the lunar calendar every year. Tourists from all over the world come in an endless stream, and the big cherry ripens early. Picked and listed in mid-May every year. Because the growing season is in late spring and early summer, there is no need to use pesticides to kill insects, and there is no man-made and natural pollution. It is a veritable green food.