According to the structure and working principles of the darktube sunshine recorder, an introduction is made systematically to the method for inspecting the structure and installment errors of sunshine recorders by using sunlight path. It covers the shortages of the original methods in exhaustivity and accuracy. It is feasible to inspect the azimuth, level and latitude of the darktube sun shine recorder, as well as to inspect whether the installation is appropriate and the structure of the light screen is reasonable by using the sunlightpath method.