Help others for happiness, this sentence, as everybody knows, are truly is few and far between. Labor day one of the things I now still in that day, at that time, on a busy street, a group of students are planting activities, everyone is holding a small hand, when suddenly a classmate put the hand fell out of trees, and sitting next to him was a child, for a moment, all the people were terrified, and said at that time, the game, that's when suddenly from the next to fly a person right away is to children head pressure of young trees, children were saved. This is a rural migrant workers in work clothes. His self-sacrifice spirit, is worth us to learn, his selfless, I still feel like a movie now, in my mind.