A customer information registration apparatus includes: a matching unit configured to match face data of a customer based on image data acquired by a camera in a shop against face data stored in a storage unit; a storing unit configured to store face data which is not stored in the storage unit into the storage unit in a case where the matching by the matching unit fails; a behavior information acquisition unit configured to acquire behavior information according to a behavior in the shop of the customer; a condition determination unit configured to determine whether or not to delete the face data stored in the storage unit based on the behavior information acquired by the behavior information acquisition unit; and a deletion unit configured to delete the face data stored in the storage unit based on a result of the determination by the condition determination unit are provided.