A manufacturing method of a non-oriented electrical steel sheet, comprising: performing finish annealing of a cold-rolled steel strip; and forming a tension applying type insulating film of not less than 1 g/m 2 nor more than 6 g/m 2 on a surface of the cold-rolled steel strip, wherein the cold-rolled steel strip contains: Si, Al, and Cr: not less than 2 mass% nor more than 6 mass% in total content, and Mn: not less than 0.1 mass% nor more than 1.5 mass%; a content of C of the cold-rolled steel strip is equal to or less than 0.005 mass%, and a balance of the cold-rolled steel strip is composed of Fe and inevitable impurities; and wherein the performing of the finish annealing includes forming an oxide layer containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 μm nor more than 0.5 μm on the surface of the cold-rolled steel strip with setting a temperature of the cold-rolled steel strip to not lower than 800°C nor higher than 1100°C in an atmosphere wherein, when the total content of Si, Al, and Cr of the cold-rolled steel strip is represented as X (mass%), a partial pressure ratio of water vapor to hydrogen (P H2O /P H2) is less than 0.005 × X 2. performing finish annealing of a cold-rolled steel strip; and forming a tension applying type insulating film of not less than 1 g/m 2 nor more than 6 g/m 2 on a surface of the cold-rolled steel strip, wherein the cold-rolled steel strip contains: Si, Al, and Cr: not less than 2 mass% nor more than 6 mass% in total content, and Mn: not less than 0.1 mass% nor more than 1.5 mass%; a content of C of the cold-rolled steel strip is equal to or less than 0.005 mass%, and a balance of the cold-rolled steel strip is composed of Fe and inevitable impurities; and wherein the performing of the finish annealing includes forming an oxide layer containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 μm nor more than 0.5 μm on the surface of the cold-rolled steel strip with setting a temperature of the cold-rolled steel strip to not lower than 800°C nor higher than 1100°C in an atmosphere wherein, when the total content of Si, Al, and Cr of the cold-rolled steel strip is represented as X (mass%), a partial pressure ratio of water vapor to hydrogen (P H2O /P H2) is less than 0.005 × X 2. Si, Al, and Cr: not less than 2 mass% nor more than 6 mass% in total content, and Mn: not less than 0.1 mass% nor more than 1.5 mass%; a content of C of the cold-rolled steel strip is equal to or less than 0.005 mass%, and a balance of the cold-rolled steel strip is composed of Fe and inevitable impurities; and wherein the performing of the finish annealing includes forming an oxide layer containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 μm nor more than 0.5 μm on the surface of the cold-rolled steel strip with setting a temperature of the cold-rolled steel strip to not lower than 800°C nor higher than 1100°C in an atmosphere wherein, when the total content of Si, Al, and Cr of the cold-rolled steel strip is represented as X (mass%), a partial pressure ratio of water vapor to hydrogen (P H2O /P H2) is less than 0.005 × X 2.