Protoplanetary discs are rotating disks of gas and dust that surround young, newly formed stars. These discs are thought to be the birthplaces of planets, as the material within them can coalesce and eventually form into planetary bodies. Studying protoplanetary discs provides valuable insights into the processes of planet formation and the evolution of planetary systems. Researchers use a combination of observational and theoretical techniques to study the physical and chemical properties of these discs, and to understand the mechanisms driving their evolution. Ultimately, studying protoplanetary discs helps us to understand the formation and diversity of planetary systems in our galaxy.