Image receiving and transmitting device, and image receiving and transmitting system

The invention provides an image receiving and transmitting device for receiving and transmitting images, and an image receiving and transmitting system comprising the image receiving and transmitting device. The image receiving and transmitting device for receiving and transmitting images provided by the invention transmits an image provided by a user based on user identification information of the user, comprising: monitoring words for monitoring character contents to to-be-sent images and monitoring audit processing mode information corresponding to the monitoring words are at least stored in a monitoring word storage part, an image obtaining part obtains the sent image, a text identification part identifies sent character contents of the sent image, a searching and judging part searches the sent character contents based on the monitoring words, and judges whether the monitoring words exist in the sent character contents, and if the monitoring words exist in the sent character contents, a monitoring process