Nervous before the exam should be actively self-adjustment, such as before the exam has not been into the examination room when particularly nervous, anxious, fidgety, then you can choose to listen to music, or running, shouting two voices can be, these methods are also more effective. If you have entered the examination room after the nervousness, you can choose to exhale deeply, hold your breath for a period of time, and then finally exhale deeply. Do a few cycles after learning to pay attention to their own breathing, forget about anxiety, worry, you will be able to control the nervous emotions. You can also choose to learn relaxation training, such as muscle relaxation training methods, is the need to imply themselves, focus on their own muscles, slowly relax, do not tense muscles, from the head, neck, chest and abdomen, all the way to the legs, feet, gradually relax. Mental adjustments can also be made, especially using psychological knowledge, such as Morita therapy. Morita therapy suggests that instead of focusing on tension, it is better to do what is right and take things as they come. The most important thing is to focus on the present moment, on the life and study of the moment. Only by trying to sink into the study and be fully prepared will you have strong confidence and eventually overcome the problem of tension.