Two debates and three debates are the main force to attack the other side in the debate, so the requirements for two debates and three debates are higher. Before the competition, the debater must be fully prepared and read the relevant materials separately, not only to master his own information, but also to study the other party's information carefully. First of all, organize your own materials and find powerful examples to support your point of view. And sort out the problems that attack each other, and the problems should be concise and targeted. Secondly, when studying each other's information, find out which aspects the other party may ask and answer. More importantly, we should find arguments and arguments to support ourselves in each other's materials. Finally, the four debaters summarized the information and exchanged views. Remember! The language of asking and answering questions should be concise. And players must be familiar with the information of both parties. During the competition: concentration: in the debate, when both sides argue and state their views at the beginning, the debater must be highly concentrated. When the other party makes a statement, it is necessary to find out the language of the loophole organization and put it forward in the next questioning session. Quick response: In the debate, there is a time limit for questions and answers, and both questions need quick response. At the same time, the more you ask or answer, the better for yourself. Concise language: organizing concise language quickly allows you to fully express your ideas in the debate. In addition, the mastery and application of debating skills and cooperation with teammates are also extremely important.