With the rapid development of China's national economy and the acceleration of urbanization process，urban traffic congestion is growing. Intersection is an important part of the urban traffic network, if the network problems have a bad handled, traffic congestion will be especially prominent. To solve the problem of urban traffic intersection is the key of solving urban traffic, and it has great significance. In this paper, based on the existing domestic and foreign scholars on the intersection signal fuzzy control, after described single intersection of a systematic analysis of fuzzy control, a novel method of the intersection of two-stage fuzzy control. Use the MATLAB programming to reason and calculate. Finally, simulate the fuzzy controller by MATLAB. And the results show that fuzzy control is better.