Mobile phones play an important role in our life and gradually become necessities of life. Mobile phones can be used not only for communication, payment, entertainment, but also for navigation, information access, etc. Mobile phones are a necessity for many people to carry with them. We all know that when we come back from going out, we have to wash our hands and sterilize them first, but we ignore that mobile phones also need to be sterilized. When we make calls outside or pay for entertainment, many bacteria will adhere to the surface of the mobile phone. According to the sample survey, more than 90% mobile phones carry a large number of bacteria and viruses. If people use such mobile phones for a long time, it will greatly endanger their health, so we need to disinfect the mobile phones regularly. This mobile phone sterilizer can simultaneously realize the charging and disinfection of mobile phones, and has intelligent voice broadcasting, which is highly intelligent and ensures the safety of mobile phones. The appearance design of mobile phone sterilizer is simple and novel, small and portable, and 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. The mobile phone sterilizer has a built-in dual ultraviolet light bulb, 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. It also plays a role in preventing bacteria from growing on the surface of the mobile phone. In addition, it also adds aromatherapy function to enhance product experience, which not only guarantees the safety, it also brings more interest to life. The design of mobile phone sterilizer can comprehensively disinfect and sterilize the mobile phone, and can be automatically dried after sterilization and cleaning, which is very simple and convenient to use.