According to the regulations, college students can apply not to participate in military training, but they need to meet one of the following two conditions. The first situation is that you can't participate in military training because of physical reasons. This includes physical disability, health problems or doctor's advice. Students need to provide relevant medical certificates or documents to support their application. The second situation is because school teaching can't participate in military training. Some students have urgent academic activities or exams during military training, which will affect their study. In this case, students need to provide relevant certification materials to the school, such as curriculum, examination arrangement or written confirmation from teachers, to support their application.