Fecha de publicación: 02/02/2021 Fuente: Wipo Tobacco Agriculture The invention discloses a tobacco topping wound protective agent and application, and belongs to the technical field of agriculture. The tobacco topping wound protective agent is prepared from the following raw materials: a plant collagen component, a plant-derived disinfection component, an immunopotentiation component and auxiliary materials; wherein the plant collagen component is prepared fromthe following raw materials: Arabic gum, coptis chinensis powder and dandelion powder. According to the invention, external insect attack or pathogenic bacteria infection caused by exposure of the tobacco topping wound to the natural environment can be reduced, wound healing is promoted, and tobacco production quality and economic benefits can be guaranteed.