Atmospheric pressure and large volume non-equilibrium plasma technology has played a good role in promoting the development of combustion and laser fields. This article focuses on solving the problem of discharge instability at atmospheric pressure， and introduces the structural characteristics and design of array needle cathode discharge， capillary dielectric barrier discharge， plasma cathode discharge， micro hollow cathode discharge， and micro hollow cathode glow discharge generator. The advantages and disadvantages of different discharge devices has been analyzed， and the challenges facing the improvement of the characteristics of atmospheric pressure and large volume non-equilibrium plasmas in practical applications has been summarized in the article.