Efficient mosquito and fly killing preparation and preparation method thereof

The invention discloses an efficient mosquito and fly killing preparation and a preparation method thereof, and belongs to the technical field of veterinary drugs, the efficient mosquito and fly killing preparation comprises the following components by weight: 84.20-95.45 parts of porcellanite, 3-5 parts of activated carbon, 1-10 parts of cyromazine, 0.2-0.3 part of DEET, and 0.3-0.5 part of castor oil; the preparation method of the efficient mosquito and fly killing preparation comprises the following steps: preparing a mixture 1, preparing a mixture 2, preparing a mixture and preparing the efficient mosquito and fly killing preparation. According to the efficient mosquito and fly killing preparation, the use amount of the efficient mosquito and fly killing preparation can be reduced, the product stability, the product suspension property and the fly and mosquito prevention and control rate of the efficient mosquito and fly killing preparation are improved, multiple use modes of water drinking, material mixi