Inserting the shoot-through duty cycle within the inverter switching pattern is the most important process in controlling the Z-Source Inverter (ZSI) output voltage because it has many limitation and boundaries in the values and the manner of producing. This paper presents a comprehensive study of switching techniques and switching patterns of the ZSI. The most important switching techniques of the Z-source are presented in this paper to overview the features and characteristics of these techniques presented in the literature. Many simple and complex methods are reviewed in this paper as a comparison study, considering the controlling of the ZSI and reduce the effect of the voltage stress on the switching devices