A light-luring and wind-suction type mosquito and fly killing multifunctional trash can comprises a trash can barrel, a trash can top cover, an inset killing box, an insect trapping lamp, an insect suction draught fan, a mosquito and fly collection box, a disinfecting and sterilizing device, an electronic control part, a power supply wire inlet box and an insect adhering plate. The insect killing box is fixedly arranged on one side of the trash can barrel. The trash can top cover fixedly covers an opening of the trash can barrel and an opening of the insect killing box. An inner cavity of the insect killing box communicates with an inner cavity of the trash can barrel. The insect trapping lamp is fixedly installed below the trash can top cover. The insect suction draught fan is in butt joint with the opening of the insect killing box and the mosquito and fly collection box in a sealed manner. The disinfecting and sterilizing device, the electronic control part and the power supply wire inlet box are all arranged in the inner cavity of the insect killing box. The insect trapping lamp, the insect suction draught fan and the disinfecting and sterilizing device are all electrically connected with the electronic control part. The electronic control part is powered up by a power supply. The insect adhering plate is pasted to the trash can barrel. The dual physical mosquito, fly and pest killing method combining pasting of a color plate and light-luring wind power suction killing is adopted for the multifunctional trash can, and therefore the multifunctional trash can is good in killing effect, green and environment-friendly.