The utility model provides a mosquito trap, which has simple structure, low cost and environmental protection function. The trap comprises a long rod hook and a tray fixed at the lower end of the longrod hook. A flexible bracket is arranged on the long rod hook. A cone-shaped gauze frame is arranged in the flexible bracket. The cone-shaped gauze frame is covered by gauze without covering the top.When in use, the long rod hook is suspended; the flexible bracket and the cone-shaped gauze frame are unfolded automatically; and the bottom of the cone-shaped gauze is exactly arranged on the tray.Some food is arranged in the tray to attract the mosquito. The mosquito flies into the cone-shaped gauze from the opening at the top of the cone-shaped gauze, and can not fly out of the cone-shaped gauze under the prevention of the gauze, so that the purpose of killing the mosquito can be achieved.