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The emergence of perovskite solar cells (PSCs) based on all-inorganic metal halide (IMH) has generated enormous interest in the photovoltaic research community,and the power conversion efficiency (PCE) has exceeded 13％.Despite its outstanding performance in thermal stability,PSCs based on IMH still face problems such as the lack of a suitable band gap and the inability to generate large areas.In this review,we will summarize the latest progress of PSCs based on IMH.