Controlling the testing key point to the packing of dangerous goods is an effective way to ensure the quality of performance inspection. According to the type of dangerous goods packaging and the difficulties in the inspection process of the performance tests, through analyzing the six performance testing projects, the critical points for the testing of dangerous goods packaging were inducted and refined. At the same time, the control was effectively used in the actual tests. This work has a strong practical significance to the inspection institutions and producer, in order to enhance the quality inspection of dangerous goods packaging products.