1. The certificate must be issued by a hospital or a doctor, and must be signed or sealed by the doctor to prove that the certificate is true and effective.
2. The contents of the certificate must be related to military training, such as proving that the participants cannot participate in military training for some reason, or need special care during military training.
3. The format of the certificate should be clear and easy to read and understand.
Please note that the specific requirements may vary by school or region. If in doubt, it is recommended to consult the relevant departments of schools or hospitals to obtain the most accurate information and requirements.
Military training is the basic form for students to receive national defense education, an important measure to cultivate "four haves" talents, and an extremely effective means to train and reserve reserve military reserve soldiers and reserve officers and strengthen national defense forces.