The utility model relates to a thrips trap, which comprises a base plate and is characterized in that an inner tetrahedral frustum and an outer tetrahedral frustum are arranged on the base plate, wherein the outer tetrahedral frustum is sheathed on an outer ring of the inner tetrahedral frustum and forms a moving space of thrips. The thrips trap disclosed by the utility model integrally utilizes the blue audience performance and the sex pheromone of the thrips for entrapping the thrips, the entrapping effect on the thrips is greatly enhanced, in addition, the space is a sealed space, and the thrips in the sealed space receive little influence caused by external conditions and are not easy to die, so the thrips experiments are suitable for being carried out in rooms, and the thrips trap is also suitable for being used for entrapping the thrips in the fields.