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Based on the theory of high frequency scattering, the scattering characteristics of the typical structural missile are analyzed, such as distributing of the scatterers, scattering type, variation tendency of the scattering intensity with missile attitude, and etc. Next, the L-band and X-band RCS of the missile are obtained using the broadband swept frequency RCS measurement system. Finally, the paper studies on the measurement results. The result indicates that the RCS of the warhead and the inlet are obvious, especially the gap between the inlet surface and the missile surface. The RCS in X-Band is small and more sensitive with the variation of missile attitude than that in L-Band. Furthermore, the maximum RCS occurs not at the head-on but the other direction, especially in X-Band, and which is nearby twenty degree. The result can provide technical bases for the application in the test of the missile, such as test design, analysis and evaluation of test results, equivalent calculation, and etc.