Cost balance decision-making method, insurance claim decision-making method, device and equipment

The embodiment of the invention discloses a cost balance decision-making method, an insurance claim decision-making method, an insurance claim decision-making device and equipment. After a cost balance request for a target cost balance product sent by a user is received, based on a plurality of deep learning models and voucher pictures carried in the request, a target named entity contained in the voucher picture and an attribute of the target named entity is determined; based on the target named entity and the attribute of the target named entity, event information related to the business field corresponding to the target cost balance product is constructed; a plurality of decision factors are constructed on the basis of the related business data of the user for the target cost balance product and the event information; and finally, cost balance decision making is carried out based on a target decision tree and the plurality of decision factors, the target decision tree is constructed based on the cost balan