The invention relates to the technical field of inspection equipment, in particular to an inspection device for a field communication base tower. The inspection device comprises a casing, a multifunctional display screen, regulating knobs, supporting legs, an antenna groove, a signal antenna, a mounting groove, mounting tables, a handle, a clamp storage chamber, a probe storage chamber, a clamp and crack width measuring probe; the multifunctional display screen is arranged in the middle of the front side of the casing, the regulating knobs are symmetrically arranged on the left and right sidesof the multifunctional display screen, the supporting legs are fixedly mounted at the bottom of the casing, the antenna groove is formed in the front of the top end of the casing, the signal antennais hinged into the antenna groove, the mounting groove is formed in the middle of the top end of the casing, the mounting tables are symmetrically fixedly connected in the mounting groove, the handleis rotationally connected between the mounting tables, the clamp storage chamber and the probe storage chamber are arranged on two sides of the mounting groove symmetrically, and the clamp is movablyconnected in the clamp storage chamber. The inspection device can not only perform external inspection to the communication base tower and its foundation but monitor and analyze transfer signals of the communication base tower.