PURPOSE: To prevent falling inside of a tower and enable front setting of a cowl point by providing a suspension tower on the center part in the front and rear direction of a wheel house positioning its rear end in a vehicle room, arranging a dash panel at the rear end part of the tower, and both ends of the panel are combined with the rear end part of the tower.

CONSTITUTION: A suspension tower 3 is provided on the nearly center part in the front and rear direction of a body of a wheel house 2, and a dash panel 4 is arranged opposite to the rear end tart and extending over right and left wheel aprons 1 between so as to define the front end part of a vehicle room 13. The rear wall of the suspension tower 3 is formed with the end part vertical wall part 5b of a dash lower panel 5. The rear half part of the wheel house 2 is positioned on the vehicle room 13 side. and connected with the dash lower panel 5 through a flange 52. The side panel 31 of the tower 3 is connected to the wheel house 2 through the flange 31b, and connected to the dash lower panel 5 through the flange 31d.