The present invention discloses a high yield cell wall degrading enzyme and Trichoderma viride of antibacterial peptide, which is named Trichoderma viride TV 501, and has a preservation number reading: CCTCC No: M209321.The Trichoderma viride can produce cell wall degrading enzyme and antibacterial peptide in large quantities, the biocontrol reagent made from the Trichoderma viride have relatively good field prevention effect on vegetable and fruit diseases such as strawberry powdery mildew, grey mould fruit rot of strawberry, powdery mildew of cucumber and the like, obviously improves yield and quality of the vegetables and fruits, reduces use amount of chemical pesticide, improves the ecological environment, enhances food security, demonstrates vast potential for future development and is conducive to enhancing agricultural efficiency and increasing the income of the farmers.