Abstract: Protected plant industry provides the optimal temperature, humidity and light environment by utilizing technology of modern agriculture engineering, and it gets rid of the bound which nature environment restricts agriculture produce in some degree. It has high investment, high yield and high benefit characters, and it is one of the important areas of modern agriculture. The paper analyzes the current situation and problems of Tianjin protected plant industry (protected vegetable), and provides countermeasure of protected plant industry in Tianjin.