The utility model discloses a broad-spectrum pest trapping and adhering device which comprises a transparent body with a shaft hole. A support is rotatably matched with the transparent body through a bearing. A plurality of pest trapping color plates of different colors wrap the transparent body. A plurality of colorless and transparent light-permeable windows are formed in each pest trapping color plate. The support where the transparent body is located is provided with an LED lamp strip electrically connected with a power supply. The LED lamp strip can provide light of different wavebands according to the phototaxis characteristics of pests. A transparent pest adhering plate wraps each pest trapping color plate. The device has the advantages that the device can emit or reflect light of different colors and wavebands during daytime and nighttime so as to trap the pests, and is many in trapping kinds and good in effect; a 360-degree flickering effect can be generated, the effects of leaves and flowers being blown or moving pests can be simulated, and pest attracting effect is enhanced; the device can be used indoor and outdoor, and is convenient to place, high in wind resistance, simple to maintain, long in service life and low in application cost.