Fastener-type combined toothbrush

The utility model relates to a fastener-type combined toothbrush, which comprises a cylindrical brush handle and a barrel-shaped brush head, wherein one end of the brush handle is provided with a wedge-shaped boss, the lower end of the boss is fixedly connected with one end of a spring, the other end of the spring is fixed at the inner wall of the brush handle, and the outer wall of the brush head is provided with a hollowed-out opening which is matched with the area of the boss of the brush handle. When in use, the boss is pushed down by a finger, the brush head is sheathed on the brush handle to be fixed. After the brush head is broken, only the brush head is disassembled from the brush handle, and a new brush head is assembled on the brush handle. The fastener-type combined toothbrush is convenient to carry when people go out, the brush head can be replaced at any time, so that great convenience can be brought to the life of the people.