1064 nm Nd︰YAG laser is a common modality in clinical dermatological treatment， exerting distinct

photobiological effects at different pulse widths. Through photothermal， mechanical， and photobiomodulation effects generated under various pulse durations， it achieves therapeutic outcomes for different conditions. To better leverage the unique advantages of 1 064 nm Nd︰YAG laser across different pulse widths and avoid complications， this article reviews the application scenarios of picosecond， nanosecond， and long-pulse 1 064 nm Nd︰YAG lasers based on their respective mechanisms.

1 064 nm Nd︰YAG laser, Pulse width, Skin diseases