A miniature interferometer direction finding antenna set characterized in that: including an antenna array, fixed base, The coaxial connection part and the shell are arranged on the fixed base, a plurality of coaxial connection holes and a plurality of fixed connection holes are arranged on the fixed base, one end of the antenna array is arranged in the coaxial connection hole and is connected with the coaxial connection part, the shell is covered on the fixed base, and the antenna group operates in the frequency band of 6250-6750MHz. The interferometer adopts short baseline mode of operation,which can effectively reduce the space size of the system. According to the practical application needs, the direction finding distance does not need ultra-long distance. Therefore, the high frequency band of 6250 - 6750MHz is adopted for the antenna group, in which the bandwidth is wide and the radio interference is little.