As one of main processes in automobile industry, welding technologies are widely utilized. It is important for welding quality that automotive steel sheets and welding methods are employed. Classifications and characteristics for automotive steel sheets are illustrated from the strengthening toughening mechanisms and coating types. The features and application range of many welding technologies in automotive industry, such as spot welding, laser welding and arc welding, are discussed in detail. The development of influencing factors for these welding technologies are reviewed by coating and chemical compositions of sheets, welding parameters, joint properties. Combining the research and application of the third generation advanced high strength steel, aluminum alloy and magnesium alloy for automotive industry, many new hybrid welding technologies are also investigated. The future of welding technologies for automotive steel sheets is also discussed.