An intelligent harvester with automatic braking function operatively connected to a remote control system, comprising: a harvester body; a wireless communication assembly arranged in the harvester body and operatively connected to the remote control system; a communication detection system configured to detect a communication between the wireless communication assembly and the remote control system; and a braking system arranged in the harvester body and operatively connected to the communication detection system, wherein the braking system is configured to control the harvester body to brake when the communication detection system detects failure of the communication between the wireless communication assembly and the remote control system; the communication detection system comprises a communication strength detection unit and a signal comparison unit operatively connected to the communication strength detection unit, characterized in that, when the communication detection system detects the communication between the wireless communication assembly and the remote control system, the communication strength detection unit is configured to detect a signal strength of the communication between the wireless communication assembly and the remote control system, the signal comparison unit is configured to compare the signal strength detected by the communication strength detection unit and a preset signal value, the signal comparison unit is operatively connected to the braking system, the braking system is configured to control the harvester body to brake when the signal strength detected by the communication strength detection unit is less than the preset signal value. a harvester body; a wireless communication assembly arranged in the harvester body and operatively connected to the remote control system; a communication detection system configured to detect a communication between the wireless communication assembly and the remote control system; and a braking system arranged in the harvester body and operatively connected to the communication detection system, wherein the braking system is configured to control the harvester body to brake when the communication detection system detects failure of the communication between the wireless communication assembly and the remote control system; the communication detection system comprises a communication strength detection unit and a signal comparison unit operatively connected to the communication strength detection unit, characterized in that, when the communication detection system detects the communication between the wireless communication assembly and the remote control system, the communication strength detection unit is configured to detect a signal strength of the communication between the wireless communication assembly and the remote control system, the signal comparison unit is configured to compare the signal strength detected by the communication strength detection unit and a preset signal value, the signal comparison unit is operatively connected to the braking system, the braking system is configured to control the harvester body to brake when the signal strength detected by the communication strength detection unit is less than the preset signal value.