The thing you need in your life is safety. All wants to be safe and no threat is assumed. The safety can be physical, Social, Economical, Environmental, And so on. We talk about the safety of economical condition. The company firstly introduced with the gold and money cooperation and latterly it becomes the type of social insurance. Now we listen the life insurance, real estate insurance, property insurance, health insurance and so on.. they are the developed form of ancient co-operation of the people.