【Abstract】 The solution conditon of input output model contains H S condition and Solow condition.The economic connotation of H S condition is that complete net output of various departments of national economy is always larger than zero.While the economic connotation of Solow condition is that the added value of various departments of national economy is larger that zero.Internally,these two conditions are closely linked:respectively,they prescript the achieving conditions of substitution in kind about value transferring among departments.It reflects the dialectic,united relation between physical movement and value movement,which is they are relatively independent as well as interplay,physical movement being the foundation,value movement the leading.This paper makes Marx’s theory on value compensation and substitution in.更多还原