The utility model belongs to the technical field of the construction of the vertical steel limit waterstop in tunnel, concretely relates to vertical waterstop installation positioning fixture. It is straight to have some setbacks in order to appear easily buckling after the installation of solution waterstop, influences the problem of stagnant water, the utility model provides a vertical waterstop installation positioning fixture inclines including symmetry, opening and locates the location angle steel of steel limit rubber waterstop both sides in opposite directions, hugs closely the equidistant steel sheet stand that is equipped with a plurality of location angle steel of being higher than of angle steel vertical wall in the location angle steel, and it is fixed that bolted connection is passed through on steel sheet stand upper portion, the location angle steel outside is equidistant vertical to be equipped with a plurality of batch reinforcing bars that connect, connect to be connected through transverse reinforcement between batch reinforcing bar and the location angle steel, steel limit rubber waterstop both sides connect a batch reinforcing bar to be quincunx transition to arrange. The utility model discloses utilize the fixture top spacing reinforcing bar and angle steel both sides connect a batch reinforcing bar, can prevent effectively that the steel sheet stand from taking place to twist reverse, it is straight to avoid the waterstop to have some setbacks.