The present invention belongs to the technical field of insecticidescharacterized bysurfactants, and specifically relates to a miticide. The miticide includes asurfactant and apenetrant. The miticide has good, quick-acting effects, long effective period,safe andenvironment friendly, good stability, and a wide range of applications. Themiticide is not onlycapable of being used for exterminating agricultural and forest mites, but isalso capable of beingused for exterminating medical and animal husbandry mites. The miticide hasfew to none drugresidues and has good stability in acaricidal effect. Moreover, the miticideis convenient to use,and may be used either alone or added directly into other insecticides.