The invention relates to an intelligent reminding device and method for electric meter reading. The intelligent reminding device comprises a user indoor payment reminding device, a data line, a data transmitting, storing and receiving device, a household WIFI network, a GSM network, an Internet wide area network, a meter reading center data host and a user electric charge information USB flash disk. The user indoor payment reminding device comprises a keyboard, a printer, a displayer, a reminding lamp, a slot, a buzzer, a wireless transceiver and a second central processing unit. The data transmitting, storing and receiving device comprises an LED screen, a USB data port, a wireless data transmission device, a first central processing unit and a memory. By the adoption of the intelligent reminding device and method, the purpose of intelligent reminding can be achieved; through the wireless technology and the network technology, an electric undertaking company can make contact with users directly and remind the users whose electric charge is insufficient in time, so that the work efficiency of the electric industry is improved, and the intelligent reminding device and method are suitable for market application and popularization.