The mobile phone sterilizer has built-in dual ultraviolet bulbs, which mainly uses ultraviolet sterilization technology to quickly eliminate toxic and harmful viruses and bacteria attached to the mobile phone, including E. coli, influenza virus, botulinum, streptococcus, H1N1 virus and other harmful microorganisms, And play a role in preventing the growth of bacteria on the surface of the mobile phone. In addition to disinfection and sterilization, the design of the mobile phone sterilizer also adds aromatherapy function, it not only ensures the safety of daily mobile phone use, but also brings more interest to life. This mobile phone sterilizer has a simple and novel appearance design, small and portable, and is easy to carry. The surface technology is exquisite and the texture is fresh, giving people a simple, refreshing, beautiful and comfortable sensory experience. The operation is simple to use, providing a safer, more reliable, natural and comfortable experience. When the mobile phone needs disinfection, only the mobile phone needs to be placed in the disinfection box. The infrared sensor senses the existence of the mobile phone (I. e. sensing the external mobile phone signal) and sends the infrared signal to the controller. The controller can control the spray device to spray disinfectant to disinfect the mobile phone. The disinfection time can be controlled within two minutes, which is very convenient to use.