Methylpyridinium phosphate, also known as methylpyranophosphate, is an excellent insecticide. Its formulation belongs to the category of contact and stomach toxic agents, with a shelf life of more than 10 weeks. Broad spectrum insecticide, suitable for public health insecticide and control of mosquitoes and flies in grasslands, pastures, farms, etc., especially effective against flies and cockroaches; In agriculture, it can be used to control various mites, moths, aphids, leaf lice, small mealworms, potato beetles, etc. in cotton, fruit trees, vegetables, and livestock. For the safety of mammals, it is a highly efficient, low toxicity, low residue, and antibiotic resistant safe agent, and is recommended for use as an organophosphate insecticide by the World Health Organization (WHO). It can be made into emulsions, sprays, wettable powders and granules. The commonly used wettable powders and granules are particularly suitable for controlling hygiene pests such as flies and cockroaches.