Abstract:With the launch more intensive of commercial space and type of tasks, the need for miniaturization and low cost mearsuring and controlling device of launch vehicle is urgent, miniaturization and low cost are put forward by using high-integrated , small media board or component, arranging component properly, making use of case inner space maximally, adopting virtual meter, indicator light, button enriching software function and interface, improving degree of software automation. The aim of low cost and high reliability are achieved by choosing high maturity and stable quality of commercial products and homemade products with derating and redundant design properly.