Data Access Method and Device

An apparatus of accessing data comprising hardware configured to execute instructions stored in a non-transitory computer readable medium to perform steps in following modules:

• an obtaining module configured to receive a first data access request from a user, and when a wireless fidelity (Wifi) address and a caching address corresponding to an access address in the first data access request cannot be obtained in all mobile terminals which join a local area network, send the first data access request to a network side;
• and
• a storing module configured to cache received data from the network side and store a corresponding relationship between a Wifi address of a mobile terminal itself, the access address in the first data access request and a caching address of the data or send the corresponding relationship to a master control mobile terminal of the local area network.