Social credit evaluation is an important part of the construction of socialist credit system. It is necessary to study the purpose, object, specific procedure, application scope and relief measures of social credit evaluation carefully.At the present stage, the civil and commercial exchanges under the background of strangers and the administrative management including administrative licensing and administrative inspection show the situation of information imbalance, which greatly increases the risk and cost of civil and commercial exchanges and administrative management.Therefore, it is necessary to establish a social credit evaluation system to extend the game chain, change the stranger society into an “acquaintance” society, so as to effectively reduce the unnecessary risks and costs in civil and commercial exchanges and administrative management.The object, procedure, scope of use and remedy measures of social credit evaluation should be taken as the starting point of the system objective.