The present invention relates to a portable deodorizing, drying and sterilizing device and a control method thereof, and it is an object of the present invention to provide a portable deodorizing, drying and sterilizing device and a control method thereof for sterilizing, removing viruses and removing odors in shoes, shoe boxes, closets, showcases, refrigerators, air conditioners, It can be used alone or several in parallel inside the device.In addition, the present invention is also characterized in that the device of the present invention can be deodorized, dried and sterilized by putting the device of the present invention and a disinfection object (cup, mobile phone, etc.) into an empty container at the same time.In order to achieve the above object, the present invention provides a method of controlling an air conditioner, including an ion / plasma / UV generating unit, a fan, a heat generating unit, a charging device, a contamination sensor unit for measuring contamination and odor, The present invention also provides a portable deodorizing, drying and sterilizing apparatus and a control method thereof, which further comprise a charger unit, which can be used for general household and personal use, business use, and even for personal use.In particular, the present invention detects odors, contamination, and humidity of a surrounding and a disinfection / deodorization object, and when a certain contamination is detected, the microprocessor is controlled to automatically operate ions, UV lamps, heat, plasma, As shown in Fig. The portable deodorizing, drying and sterilizing apparatus and the control method thereof can be installed in parallel according to the size of the object to be removed so that an appropriate quantity of the object can be installed in parallel, thereby detecting and displaying the temperature, humidity and odor level economically and efficiently, And the degree of reduction and the state of decrease can be confirmed.이 발명은 휴대형 탈취,건조,살균 장치 및 그