The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).The present disclosure discloses a method for obtaining channel direction information, which includes: transmitting a first detection signal and a second detection signal in at least one detection region, wherein there is differential information between the first detection signal and the second detection signal; receiving a signal receiving characteristic of the first detection signal and a signal receiving characteristic of the second detection signal from a receiver; and adjusting channel direction information (CDI) according to the signal receiving characteristic of the first detection signal and the signal receiving characteristic of the second detection signal. The present disclosure further discloses an apparatus for obtaining channel direction information.