已建果园，不论幼龄或成龄果树，如要更换新品种，通常采用高接的方法。传统的高接方法速度较慢，操作也较复杂。现介绍一种用切腹接为主，皮下腹接为副，用塑膜包扎的高接方法。该法省接穗，速度快，操作简单，成活率高。２０００年春，大兴县用该法高接换优梨树２０００余亩 Orchards have been built, regardless of young or adult fruit trees, if you want to replace new varieties, usually using high-access method. Traditional high-access method is slower and the operation is more complex. Is now introduced with the main abdominal incision, subcutaneous abdominal joint as a deputy, with a plastic bandaged high access methods. The provincial scion, fast, easy to operate, high survival rate. In the spring of 2000, Daxing County used the method to exchange excellent pear more than 2,000 mu