The invention discloses an insect trapping lamp for a pond. The insect trapping lamp for the pond comprises an LED lamp, a lamp body shell, a base, a motor, a mounting seat capable of lifting and falling, a trapping hole, a first strut, a second strut, a third strut, an external power supply and a collecting device, wherein the first strut, the second strut and the third strut are separately arranged on the bottom of the lamp body shell; included angles among the first strut, the second strut and the third struts are 120 degrees; a first floating ball is arranged at the top end of the first strut; a second floating ball is arranged at the top end of the second strut; and a third floating ball is arranged at the top end of the third strut. The insect trapping lamp for the pond is simple instructure, reasonable in design, good in illuminating effect and long in service life; the insect trapping lamp is improved in the aspect of LED heat dissipation, and reliability of the product is improved comprehensively; and meanwhile, the design thought is adjusted on the cost and the production process, the cost for molds is greatly reduced, and the production cost is also reduced.