Abstract: The grafting of grape green branches in summer has the advantages of relatively less interface bleeding,high survival rate,and new shoots after grafting can ensure maturity and lignification in autumn.Through more than five years of grape green branch grafting experiment,a detailed discussion on the degree of lignification,grafting time,binding method,watering and moisturizing of the scion in the process of grape grafting was made,a set of key technical points of grape green branch grafting,greatly improves the survival rate of grape grafting was summarized,which was a practical technology for rapid renewal of old vineyard,and was worth popularizing wide.