Plum is a grafted fruit, which is a hybrid of plum and plum. Plum-plum grafting is a technique for improving fruit quality and increasing yield. Li Mei is rich in vitamin C and antioxidants, which is beneficial to human body. Eating it can promote digestion and enhance immunity.

So the plum (plum grafting) written in the plum snacks sold in the supermarket refers to this grafted fruit, which is beneficial and harmless to eat.