1. Characteristic 1: aerosol directly hit for pest control, which is characterized by at least one pyrethroid compound, at least one organic solvent and at least one propellant. The typical aerosol value calculated according to the following formula is 0.5-25. Formula: characteristic value of aerosol = spraying distance (CM) x quantity of each second spraying (g) times weight percentage of pyrethroid compound. Item 2: Sprayers complying with Item 1,1. The pyrethroid compound is a compound represented by formula (1), wherein r739 and r6966 represent a methyl group at the same time； or r739 represents a hydrogen atom, r6966 represents a formula (2) group, r74919 represents a hydrogen atom, a halogen atom or a methyl group and r74955 represent a methyl group and r74959； Halogen, methyl compound, trifluoromethyl compound or cyanogen compound； and R represents a group selected from formula group (3) - (6), wherein r75808 represents a hydrogen atom and a methyl group,1. Propylene or an ethylene and r74966 compound represents an ethylene or an Ethiopian group. Claim 3: the aerosol according to the first requirement, which is characterized in that the pyrethroid compound is at least one compound selected from the group, including pyridine, tetraethyl benzene, acrylonitrile, acrylonitrile, methylfluthrin, difluorotrina, 2, 2-dimethyl 3 - [(1z) - 3, 3-trifluoro-1-propenl] cyclopropane, 2, 3, 5, 6-tetrafluoro-4 - (methoxy) benzene, 2,2-dimethyl-3 - (1-propane) cyclopropane toluene, 2,3,5,6-tetrafluoro-4-methylbenzene,2, 2, 2, 3, 3-tetraethylpropane-2, 3, 5, 6-tetrafluoro-4 - (methoxy) benzene and 2, 2-dimethyl-3 - (2, 2-dichloroethylene) Di, 3, 5, 6-tetrafluoro-4 - (methoxy) benzene. 13. Claim 9: a method of pest control characterized by spraying sprayers according to the requirements 1 to 8 for pests flying in outer space or crawling on the ground or on indoor walls.Reivindicación 1: Un aerosol de tipo impacto directo para el control de una plaga de insectos, caracterizado po
