Because the police are a special industry, the jobs they face every day are different from ordinary people, and accidents may occur at any time. It is good for yourself and others to master a certain knowledge of first aid.

Time is life. When an accidental injury occurs, the most effective rescue time is only 4-6 minutes, which is also called "golden life-saving time" in medicine. With every delay of 1 min, the death rate will increase linearly. Before the arrival of 120 ambulance, the police also played the role of doctors, which will play a vital role in saving innocent lives.