The invention discloses a webpage page caching management method and system. The method comprises the following steps that: a browser of a mobile communication terminal opens a page in response to a request, judges whether a memory has enough storage space according to the comparison result of a current memory use parameter and a threshold, if not, stores part of page caching data in the memory into a storage of the mobile communication terminal and then stores the page caching data of the current page into the memory, otherwise, directly stores the page caching data into the memory; the browser responds to the operation of reading the page caching data, wherein the process comprises the following steps of: when the memory has the current page caching data, storing the page caching data, located in the memory and further away from the current page, into the storage, opening corresponding current page data in the memory, and simultaneously, loading the page caching data, located in the storage and closer to the current page, into the memory. With the method and the system, page caching can be managed better while surfing the Internet via the mobile communication terminal, and users can get more convenient browse experience.