The invention provides a measurement combination for a fastening process of an automobile engine crankshaft belt pulley. The measurement combination comprises a power supplying device, a testing device and a data processing device, wherein the power supplying device is provided with a power source, a connection tool and a crankshaft; the testing device is provided with a torsion testing machine, a fastening tool, a fastening bolt, an axial force sensor and a stress sensor; the data processing device is provided with data recording equipment and data analysis equipment; the axial force sensor and the stress sensor are arranged at the position needing to be monitored of a crankshaft belt pulley to be detected, and are connected with the data recording equipment and used for monitoring the change of an axial force and stress; and the data analysis equipment is provided with an analysis program for analyzing tested data and determining a fastening process of the engine crankshaft belt pulley according to the data analysis program. The measurement combination can be used for systematically simulating and measuring to obtain the specific crankshaft belt pulley fastening process, so that a condition that the fastening process is determined according to experiences of technical staff is avoided.