During the investigation anti-dumping suit that happened frequently, the function of trade associations has become more and more important. Although we have normalized and consummated our trade associations consistently these years, the development of them lags behind foreign associations still and needs further reforms. Therefore, based on the analysis of situation that China faces in anti-dumping investigation, this paper points out that trade associations should play an active role in tackling foreign countries’ anti-dumping suit, includes to organize and help enterprises to effect the litigation of anti-dumping, to hire lawyers and accountants for enterprises, to assist enterprises and participate directly in price negotiation, and to coordinate with the exporter and consumer actively. Furthermore, this paper analyzes the factors that block trade associations to play an active role in anti-dumping suit. And start from this, the paper put some suggestions about how to reinforce the role of trade associations in anti-dumping suit, includes creating a healthy business environment and promoting the interaction between trade associations and government.