黄精,也叫老虎姜、鸡头姜,为百合科多年生草本植物黄精或多花黄精的干燥根茎。具有补脾、润肺、生津、益气养阴、抗菌、抗衰老、丽容颜、强精力之功效,主要用于脾胃虚弱、体倦乏力、口干食少、肺虚燥咳、精血不足、内热消渴、糖尿病、高血压等症,外用黄精浸膏还可治脚癣。黄精主要分布于华北、华东、华南、华中等省,山东广为分布和栽培,目前广西昭平等地也有栽培种植。现就黄精的生物学特性、栽培技术、田间管理、病虫害防治、采收等介绍如下:生物学特性多生于林下、灌丛或山坡地。喜阴湿,耐 Polygonatum, also known as tiger ginger, chicken ginger, perennial herbs for Liliaceae Polygonatum or polygonatum dry rhizome. Mainly used in spleen and stomach weakness, body fatigue, dry mouth less cough, asthenia cough, lack of essence and essence of blood, with spleen, lungs, Sheng Jin, Qi and Yin, anti-bacterial, anti-aging, , The heat of diabetes, diabetes, high blood pressure embolism, external Huang Jing extract can also treat athlete’s foot. Polygonatum mainly distributed in North China, East China, South China, Central China and other provinces, Shandong is widely distributed and cultivated, at present, Guangxi Zhaoping also cultivated. Now on the biological characteristics of Polygonatum, cultivation techniques, field management, pest control, harvesting, etc. are as follows: Biological characteristics and more in the forest, shrub or hillside. Hi wet, resistant