CsPbX3 (X=Cl, Br, I) perovskite quantum dots embedded glass-ceramics (GCs) are a composite material with the steady physical and chemical properties of glass matrix phase and the superior optical performance of CsPbX3 quantum dot phase. These materials are used in optical data storage, random laser, X-ray image, lighting and display, solar cells, photocatalysis, etc.. Recent advances on the preparation and the corresponding performance/application were introduced, i.e., the use of fs laser to form CsPbX3 in selected zone to serve as optical data storage, thereby showing the regular pattern of these materials’ composition-structure- performance relationship. Nevertheless, these are some challenges of investigating for these materials, i.e., the in-situ formation of CsPbX3 in glass matrix is entirely unclear. And the studies on CsPbX3 precursors’ occurrence state, neighbor structure and morphological distribution could further help to understand the formation mechanism of CsPbX3 in glass, providing a guide to obtain the better CsPbX3 perovskite quantum dots embedded GCs.