The society is sure to execute help each other in all aid, according to law of large number, unified inside the limits of whole society raise money and regulate use fund, the force that relies on whole society is balanced burden and dispersive risk.

• 社会保险实行互助共济，按照大数法则，在整个社会的范围内统一筹集和调剂使用资金，依靠全社会的力量均衡负担和分散风险。