通过经济效益分析模型和1987—1997年的四川省投入产出表提供的数据，并分析了电信制造业10年来的经济效益状况，综合评价了电信制造业在四川省国民经济中的贡献和作用，四川省电信制造业的作用正在发生较大的变化，从以前的推动型逐渐转变成带动型；论证了四川省电信制造业优先发展的必然性，为四川省国民经济发展提供对策。

Through the analysis model of economic effect and the data of the Sichuan Province input-output from 1987 to 1997, the state of economic effect of telecom manufacturing for 10 years is ahalysed. At the same time, the contribution and effect of telecom manufacturing on Sichuan's national economy are quantitatively and synthetically evaluated. It is found that the effect of Sichuan's telecom manufacturing is changing greatly from former “propelling model” to “driving model”. It proves the necessity of the preferential development of telecom manufacturing, which provides good countermeasure for the development of national economy in Sichuan Province.