The invention provides a page data processing method and apparatus, and an electronic device. According to the scheme, for at least two types of associated data in a page, a data consistency rule reflecting an association relationship between the data can be predetermined; and for the at least two types of the obtained data, whether a preset association relationship is met or not can be judged, sothat whether stale data is comprised or not can be determined, the problem of page data inconsistency is timely discovered, and active updating can be realized.