过去理论界把国民经济有计划按比例发展规律，视为社会主义社会特有的经济规律。在建立社会主义市场经济体制过程中，又有人否认社会主义社会存在这一规律。本文则重点阐述了国民经济有计划按比例发展规律在资本主义和社会主义社会都有其存在的客观必然性，它不是社会主义社会特有的经济规律，但确是社会主义社会存在的客观经济规律之一。 In the past, the theoretical circles saw the planned development of the national economy in a pro-rata basis as the unique economic law of socialism. In the course of establishing a socialist market economic system, others have denied the existence of this law in socialist society. This article mainly elaborates the objective inevitability that the national economy has its own existence in the capitalist and socialist societies according to the law of planned proportional development. It is not an economic law peculiar to the socialist society, but it is an objective economic law existing in the socialist society. one.