Abstract: The stability of laminated and reinforced composite plate structures,subjected to combination of axial compression and thermal loading is studied.According to updated hagrangian Forrriulation,nonlinear governing equations are established for.laminated structures by means of finite.elerirent method.The equations are mixedly solved with the help of Newton's and incremental methods.The computational results show that the effrects of changes of Experimental results show that the intestigation method is suitable for FRP laminales with different lay-up,hole diameter and thickness.The designed fixtures according to the loaded manner can be freely chosen for better accnracy and convenience.