The present application relates to the field of data processing, and provides a method for deploying a face sample library, and a method and an apparatus for business processing based on face recognition. The method for deploying a face sample library, comprises: obtaining historical business information of users corresponding to face samples in a password face sample library under a condition that a number of face samples in the password face sample library is greater than or equal to a preset sample number threshold, wherein confidential business passwords of the users corresponding to the face samples in the same password face sample library are the same; dividing the password face sample library to obtain M levels of face sample sub-libraries according to the historical business information, where M is a positive integer. Use of the technical solution of the present application improves the accuracy of business processing using face recognition.