ShowUI is a lightweight vision-language-action model specifically designed for GUI agents. By integrating visual input, language understanding, and action prediction, it allows computer interfaces to respond to user commands in a more natural way. The importance of ShowUI lies in its ability to enhance the efficiency and naturalness of human-computer interaction, particularly in the fields of graphical user interface automation and natural language processing. Developed by the showlab laboratory, this model is currently available on the Hugging Face platform for research and application.