With the development of modern science and IT, the internet has brought a lot of new opportunities for travel agencies, the internet marketing of China's travel agencies has begun and is developing rapidly, it has already become one of the main marketing methods of China's travel agencies. However, comparing with the developed countries, the internet marketing of China's travel agencies generally has a lower development level and is still at the initial stage, there still exist many problems. This paper adopts the methods of induction and systems analysis, has expounded the significance and analyzed the existing problems for China's travel agencies to develop the internet marketing, and proposed some corresponding innovative strategies. Finally such a conclusion has been reached: As long as we innovate continuously on the strategies of the internet marketing in accordance with the actual situation of China's travel agencies, fully understand the importance for China's travel agencies to develop the internet marketing, and take some corresponding strategies to resolve the existing problems, then China's travel agencies will obtain a sustainable development.