To protect a taxi driver from a criminal using violence.

An L-shaped pipe frame 6 having a front passenger seat side support part 4 longitudinally extending between a driver's seat 3 and a front passenger seat and having a rear seat side support part 5 laterally extending between the driver's seat 3 and a rear seat, is arranged in a predetermined height from a floor 2, and a plurality of rear seat side pipe stays 7 for supporting the rear seat side support part 5 and a front passenger seat side pipe stay 8 for supporting the front passenger seat side support part 4, are arranged on the floor 2 in a rising state, and a part between the driver's seat 3 and the rear seat is partitioned by fixing a rear seat side partition wall 9 composed of transparent polycarbonate to the rear seat side support part 5, and a part between the driver's seat 3 and the front passenger seat is partitioned by fixing a front passenger seat side partition wall 10 composed of transparent polycarbonate to the front passenger seat side support part 4.