A luminous spring buckle device includes a hollow casing, a luminous device, a spring and a bearing device. The hollow casing includes a bottom and an upper opening. The luminous device is positioned in the hollow casing and includes a controlling circuit and a luminous component. The spring is contained in the hollow casing. The bearing device is engaged with the upper opening in a sliding manner and coupled to the spring. Wherein, when an external force is applied to the bearing device, the bearing device compresses the spring and presses the controlling circuit to enable the luminous component to emit light. Compared with the prior art, the luminous spring buckle device includes the function of the spring buckle and luminous function to increase the recognizability and the night warning function.