The internet language can affect social economic development and people's living standards, especially for significant impact on economic development in network ewnomic era. From the essential connotation of internet language, the characteristics of economy, value, effectiveness and profitability are summarized. Through the analysis of positive and negative effects on economic development of network language, especially, for its negative effects, we should build a civilized and harmonious language network environment in order to promote the healthy network economy development from angle of ethical governing and its principles.