The invention discloses a luminous arrow tail device and relates to the technical field of bows and arrows. According to the technical scheme, the luminous arrow tail device is characterized by comprising an arrow tail body, a light emitting diode and a battery; the light emitting diode comprises a lamp body, a positive electrode supporting leg and a negative electrode supporting leg, and the positive electrode supporting leg and the negative electrode supporting leg are connected with the lamp body; the luminous arrow tail device further comprises a conductive mounting base; the light emitting diode is arranged on the arrow tail body; the battery is arranged in the conductive mounting base, and the negative pole of the battery is in contact with the conductive mounting base; one end of the arrow tail body is inserted in the conductive mounting base; the positive electrode supporting leg is connected with the positive pole of the battery; a conductive dial block is arranged on the arrow tail body in a sliding mode and is in contact with the negative electrode supporting leg; and an on-off component for controlling connection or disconnection between the conductive dial block and the conductive mounting base is arranged between the conductive dial block and the conductive mounting base. The luminous arrow tail device achieves the purposes of quickly switching on or off the lightemitting diode, and has the effects of being convenient to operate and reusable.