Abstract: Wild Corylus mandshurica grafted with large-fruit Castanea henryi through asexual reproduction, the fruits became large with high and stable yield, and thus significantly improved the economic benefits of Castanea henryi. In this paper, high-yielding techniques of wild Corylus mandshurica by grafting large-fruit Castanea henryi was summarized, including variety selection, grafting methods, extermination of disease and pests.