A multifunctional building structure detection vehicle comprises a chassis, an electric rotary table and a vehicle body. Triangular crawler-type electric wheels are assembled on the chassis; the vehicle body is installed on the chassis through the electric rotary table. A computer and a storage battery are arranged in the vehicle body; a camera, a three-dimensional scanner and a steel bar detectorare installed at the top end of the vehicle body and connected with the top end of the vehicle body through an electric telescopic rod and a gyroscope holder. Infrared obstacle avoidance sensors areinstalled on the four side surfaces of the vehicle body. A laser ranging probe is mounted at the front-end top of the vehicle body; an illuminating lamp is mounted at the front end of the body; control instructions of the triangular crawler-type electric wheels, the electric rotary table, the camera, the three-dimensional scanner, the steel bar detector, the electric telescopic rod, the gyroscopeholder, the infrared obstacle avoidance sensor, the laser ranging probe and the illuminating lamp are all sent out by the computer and are all powered by the storage battery. The scheme can completelyreplace manpower to carry out field measurement on a building, various data measurement requirements are met, and the working efficiency is effectively improved.