The embodiment of the invention discloses a fire prevention and control system, a mobile terminal, and a fire protection central control platform, which relate to the technical field of fire protection and are invented in order to facilitate fire safety personnel to discover a fire situation in time. The fire prevention and control system includes a detection device, the fire prevention central control platform, the mobile terminal, and an alarm processing device; the detection device is connected to the fire prevention central control platform, and the fire prevention central control platformis in communication with the mobile terminal; the alarm processing device is connected to the mobile terminal; the alarm processing device and the detection device are installed in a fire preventionand control area; the detection device detects the fire prevention and control area and obtains detection information; the fire protection central control platform receives the detection information and judges whether a fire situation is existed according to the detection information; and if the fire situation is existed, the location of the detection device in the fire prevention and control areais determined as the fire area, the fire situation information is sent to the mobile terminal, and the alarm processing device in the fire area is controlled to be started. The invention is suitablefor detecting and processing the fire situation.