In fruit tree pruning, sometimes large branches need to be sawed off, resulting in larger wounds, such as improper handling, ranging from non-healing, to wound infection and rot, and even dead branches and dead trees. After experiments, the cortex and xylem were cut around the wound with a sharp weapon, and then coated with thin clay, coated with a plastic film of elasticity and thickness of 0.08mm, coated with the wound, painted, cut and cut oil, and rusted 50 times. The stone sulfur mixture 10Be was treated. In comparison, the wound healing rate was the highest, the widest callus formed, no rot disease occurred, and no cracks in the xylem. The method has the advantages of low cost, easy source of material, good effect, and can be popularized and applied in production. Vitamin B1 Hcl,Vitamin D3 Oil,Vitamin D3 Powder,Bulk Vitamin E Powder Ningbo Nutrition Food Technology Co.,ltd. , https://www.collagenworkshop.com