A housing structure for forming a body of a vehicle is provided. The housing structure comprises a lower portion and an upper portion. The lower portion has a plate-like central part, a front end, a rear end, and a first bonding part formed on each of the lateral sides of the plate-like central part. The upper portion comprises a central part and a front part. The central part has a first end, a second end, and a second bonding part formed on each of the lateral sides of the central part. By fixing the first bonding part and the second bonding part together, the lower and upper portions are adapted to form the body of the vehicle.