Abstract:Sixteen constituents were isolated from the hot alcohoic extract of the whole plant of a Chinese medicinal herb Elsholtzia eriostachya Benth.. Twelve of them were elucidated by spectroscopic and chemical evidences as follows: dotriacontanoic acid （l）, β-sitosterol（2）, succinic acid （3）, aretigenin (5), 3-hydroxyarctiin （7）, luteolin-5-O-β-D-glucoside （8）, luteolin-7-O-β-D-glucoside (9), gentisic acid -5-O-β-D-glucopranoside (10), hyperoside (11), morin-7-O-β-D-glucopranoside （12）, isoskuranetin-7-O-β-D-neohesperidoside （14）, acacetin-7-O-β-D-rutinoside （15） 7 is a new compound, and eight compounds (3, 5, 8, 10,11,12,14 and 15) were isolated from Elsholtzia for the first time.