In the information asymmetry market, the social consequence of moral hazard from opportunism trend is not only overspending medical fee, but also destroy on confidence construction and trust system.

• 在信息不对称的市场上，因为机会主义倾向而导致的道德风险，其后果不仅是日益增长的医疗保险费用支出，同样不可忽视的是它对诚信建设和信任系统的破坏。