In a clinical laboratory of a hospital, an enormous amount of effort has been required to maintain the quality of an analyzer, standard solution and control samples. An object of the present invention is to provide a control method for controlling a clinical laboratory with reduced cost, and a control apparatus using the same.In order to control data of an analyzer, standard solution, and a control sample, a support center is connected to each analyzer located in each hospital through a network line. Various kinds of analysis parameters and the result of measurements are exchanged so as to provide each clinical laboratory with a control situation in real time.