Abstract: To understand the influence of near ultraviolet irradiation on the electrical properties of antistatic thermal control coatings, two kinds of coatings—ITO/Kapton/Al and ITO/F46/Ag—are selected in the tests. Through experiments and data analyses, the fitted curves of their surface resistivity versus near UV irradiance are obtained. By using SEM and XPS, their surface topographies and element components are analyzed. Based on those analyses, the mechanism of degradation of their electrical properties under near UV irradiation is discussed.