The invention discloses a multipurpose air purification security machine. The machine in a vertical type and a horizontal type can purify and eliminate all dust, cooking fumes, poison gas and peculiar smells, the efficiency is extremely high and is never attenuated, a permanent no-cleaning effect and an in-place extinguishment effect are achieved, the machine can serve as an air conditioner, a range hood, a fan, a humidifier, a decorative lighting lamp or even a water heater, and all important properties are greater than those of an original special tool; when the machine serves as the air conditioner, the heat exchange efficiency is improved, and cleaned, humidified, perfumed and sterilized air is generated to eliminate infection; when the machine serves as the range hood, clean wind is discharged, the permanent no-cleaning effect is achieved, and the range hood can serve as a purification air conditioner commonly; when the machine serves as the humidifier, the efficiency is extremely high, the humidity is adjustable, manual water addition is not needed, and large chimneys can be eliminated when the machine is applied to restaurants and industry, heat is recycled, clean hot water is generated, and the environmental temperature is reduced; the machine is great innovation and integration of household appliances of the same kind, and is a super device and safety-qualified core environment protection equipment which are low in air pollution, high in efficiency and invincible for human beings. The multipurpose air purification security machine is low in price, high in efficiency, firm and durable in use, and has an urgently-needed application popularization prospect in all absolute markets of the industry, the military industry and the civil industry and an incomparable investment value.