To provide a coating type antistatic agent capable of retaining its high antistatic effect even after storage in a high temperature environment.

A coating type antistatic agent comprises 5-50 mass% of an imidazolium salt (A) of a special structure, 40-90 mass% of an ammonium salt (B) of a special structure, and 1-30 mass% of an ether type nonionic compound (C) of R⁸-O-(C₂H₄O)_mH having an HLB value of 10.0-18.0.