Abstract:Pulse laser deposition (PLD) technique has been widely used in epitaxial growth of GaN films due to its advantage of low temperature growth. In this work, recent researches on the deposition of GaN grown by PLD are reviewed, including GaN films grown on novel substrates directly, as well as grown GaN films with buffer layer. According to the current research progresses, PLD used for the application of GaN films and GaN based optoelectronic devices will bring up a broad prospect.