The utility model provides a tunnel combined type waterproof board hangs fixing device, the back of combined type waterproof board is equipped with the bandage, it is structural that the other end ofbandage is fixed in shotcrete, the inside constant head tank of having offered of shotcrete structure, the seat is hung to embedded being equipped with of constant head tank, it is close to to hang the seat one side of bandage is equipped with rings, the bandage with the rings ligature is fixed. Compare with traditional cement nail iron wire suspension, the utility model discloses the device has increased the area of contact of string seat with the waterproof board, can effectively solve the waterproof board and owing to the damaged problem that two lining concrete placement pressure arouse, improve water -proof effects.