Abstract:Steamed ginseng dew is a by-product of the process of steaming and processing ginseng into red ginseng.This experiment studied the main chemical components of two types of steamed ginseng dew from different manufacturers.The polysaccharides and ginseng in steamed ginseng dew were measured.The content of saponin and volatile components，the test results showed that trace polysaccharides were contained in two kinds of steamed ginseng，but no significant saponin component was detected，and the data showed that no it con－tained a large amount of sesquiterpenoids and a small amount of olefins.Among them，β-elemene and ginsinol were the main components of ginseng essential oil.