The intelligent explosion-proof handheld terminal adopts advanced German technology and is designed as an intrinsically safe circuit. It is mainly used in the design of a 4.0 inch touch screen in coal mines, petroleum and petrochemical industries. It is equipped with a 13 million pixel camera, and its waterproof and dustproof performance reaches the international IP68 standard; In addition, we have also configured GPS positioning, altitude measurement, compass and other functions suitable for outdoor construction, pipeline inspection and other functions inside the mobile phone, which can cooperate with OA office system, inspection positioning system, data acquisition system and other applications. It is especially suitable for the harsh environment of dangerous explosion, such as petroleum, chemical, pharmaceutical, oil depot, tank farm and other dangerous places with combustible and explosive gases. It is convenient for users to communicate with production and dispatching in a timely manner.