This paper investigates the effect of the union power on the wages and economic growth. The union Strength, include the number of the enterprise union, the number of the enterprise union members, the number of trade unions, the number of trade union members, the number of unions, and the number of the union members, and the coverage rate of unions, which are the independent variable samples. On the part of labor market and economic growth, this author includes wages, employed population, and Gross Domestic Product, which are dependent variable samples. This paper uses regression analysis (OLS) to show the relationship between the independent variable samples and the dependent variable samples. According to the analysis of regression, this paper finds the result that the enterprise unions are unfavorable to employed population and Gross Domestic Product, but favorable to wages. Craft unions are unfavorable to wages , but not significant to employed population and Gross Domestic Product.