I'm Li Hua, the school's English language website on the front to collect all the students in English language, first aid presentation. In case of emergency should be how to do it, then, I'll tell you about: First is to maintain calm, followed by checking the injured respiratory conditions, breathing difficulties to the implementation of artificial respiration, again, if there is bleeding to use cloth injured by live bleeding, and then wait for an ambulance and police assistance. I'm Li Hua, the school's English language website on the front to collect all the students in English language, first aid presentation. In case of emergency should be how to do it, then, I'll tell you about: First is to maintain calm, followed by checking the injured respiratory conditions, breathing difficulties to the implementation of artificial respiration, again, if there is bleeding to use cloth injured by live bleeding, and then wait for an ambulance and police assistance.