Based on the analysis of the fluctuations trend of man-made board price, this study has carried on the empirical research to the fluctuations characteristics of man-made board price using ARCH class models in our country. The research showed that: market price fluctuations of plywood, fiberboard and particleboard in China have significant agglomeration. In addition, the main man-made board market did not show the characteristics of the high risk with high reward. Therefore, some suggestions to stabilize man-made board market price have been put forward.