1. Attitude and emotional goal: cultivate students' life attitude of loving life, and be full of sympathy, kindness and cherish for others or life.

2. Cognitive goal: let students realize the fragility and preciousness of life, know that life will not be recovered, and know how to cherish life.

3, ability or problem-solving goal: make students know how to love life, cherish life, and master some attention to safety.