Tree wound healing protective agent and preparation method thereof

The invention provides a tree wound healing protective agent, which consists of the following components in percentage by weight: 0.1-3 percent of sterilizing agent, 35-48 percent of protective agent, 0.1-8 percent of nutrient, 0.1-3 percent of pigment, 30-50 percent of adhesive, 0.1-8 percent of regulator, 1-5 percent of auxiliary agent and 10-26 percent of water. The preparation method comprises the following steps of: adding water into a reaction kettle; adding the nutrient and the regulator with stirring; heating to maintain solution at 45-65 DEG C; stirring for 30-60 minutes; stopping heating and keeping stirring; naturally cooling mixture in the kettle and adding the adhesive and the auxiliary agent; stirring for 70-90 minutes; stopping heating; adding the sterilizing agent and the pigment with stirring; stirring for 30-50 minutes and then adding the protective agent; and then stirring for 90-240 minutes and stopping. The protective agent has a special effective effect on rotten scars, canker scars, gum