Method of Controlling Access to Network Drive, And Network Drive System

A network drive system for controlling access to a network drive based on location information on a communication device according to the present technology includes: a storage unit storing a network drive that stores security data and general data; a receiving unit receiving a request for access to the network drive from a first communication device; a location checking unit checking whether the distance between the first communication device and a second communication device designated as a device for controlling access to the network drive is within a critical value; and a policy setting unit that applies a policy allowing the first communication device to access general data stored in the network drive or applies a policy disallowing the first communication device to access general data stored in the network drive, according to results of the determining by the location checking unit.