本文从经费投入、人员投入和新产品创新产出等方面构建了天津市制造业技术创新能力评价指标体系,并利用因子分析法研究天津市制造业技术创新能力。发现其在科技活动经费投入和研发经费投入能力等方面普遍较高,但在科技活动人员投入和发明专利能力等方面普遍较低。据此提出相关建议:大力培养和引进技术创新人才;鼓励企业发明专利;提高产品出口能力。 This paper constructs the evaluation index system of technological innovation capability of manufacturing industry in Tianjin in terms of input of funds, input of personnel and innovation output of new products, and studies the manufacturing innovation capability of Tianjin by factor analysis. They find that they are generally high in funding for scientific and technological activities and in research and development funds, but they are generally low in the ability of scientific and technological personnel to invest and invent patents. Relevant suggestions are put forward accordingly: To train and introduce technically innovative talents; To encourage enterprises to invent patents; To improve the export ability of products.