【Objective】To assess the insecticidal activities of Cacalia tangutica based on previous researches. 【Method】The activities of several compounds from Cacalia tangutica against Musca domestica,Culex pipiens quinquefasciatus,Pieris rapae,Ostrinia furnacalis,Solenopsis invicta were bioassayed by contact,stomach poison and drop treatment. 【Result and conclusion】The results indicated that friedelin possessed a strong contact toxicity against third-instar larvae of M. domestica,and the corrected mortality was 86. ...