The scientific research equipment is a necessary precondition and an impor-tant means for the scientific research work as well as plays a decisive role in the process ofthe transform of science and technology into productive forces ,The improvement of scien-tific research equipment management,therefore,is a nece:sary work which the scientific re-search input produce a practical effectiveness. Based on the consisting factors of productiveforces ,the relation between productive forces and investment benefit , the relation betweengood economic benefit and scientific management , the constraining factors between inputand output, and some measures taken in the scientific research equipment management toensure an effective output in the scientific research input are discussed.