The utility model discloses an automatic rope coiler which solves the problem of time and labor consumption during rope coiling. The automatic rope coiler comprises a frame body (1) and a motor (2). The motor (2) is fixedly arranged on a bottom plate of the frame body (1), an output shaft (3) of the motor (2) extends upwards in the vertical direction, the end portion of the output shaft (3) of the motor (2) is fixedly connected with the central point of a horizontal rotary disc (4), three rope coiling tubes (5) arranged in a right angular shape are fixedly arranged on the upper surface of the horizontal rotary disc (4), and a rope head fixing hook (6) is arranged on the upper surface of the horizontal rotary disc (4). The automatic rope coiler is simple in structure, convenient and simple to operate, neat in rope coiling, and capable of improving working efficiency.