近几年中国农业科学院郑州果树研究所由国内外引进１０余个优良扁桃品种，作者通过观察、参考有关资料，将扁桃的优良品种介绍如下：一、国内品种１．扁嘴褐：壳果半月形，暗褐色，果中大，核重２．１克，仁重１．１克，出仁率５０％，味香甜，多单仁。壳薄，牙咬即开，含油量 In recent years, Zhengzhou Institute of Pomology, Chinese Academy of Agricultural Sciences, the introduction of more than 10 good almond varieties at home and abroad, the author through observation, reference to the relevant information, the fine varieties of Almond are introduced as follows: First, the domestic varieties 1. Flat mouth brown: shell fruit half-moon, dark brown, large fruit, nuclear weight 2.1 grams, 1.1 grams of kernel weight, kernel rate of 50%, sweet and sweet, more single kernel. Thin shell, the bite that is open, oil content