PetThoughts is an image recognition application built on the Gemini API. Users can upload photos of their pets, and the application will intelligently analyze the pets' facial expressions and environment to deduce what they might be thinking. The application features image recognition, facial analysis, environmental analysis, and natural language processing, capable of accurately recognizing pet facial expressions, analyzing their possible emotional states, and in conjunction with environmental inference, deducing the pet's activities, finally transforming the identified results into readable text descriptions through natural language processing technology. The app offers a simple and intuitive user interface, allowing users to easily upload photos and receive pet analysis results. It helps users gain a deeper understanding of their pets' emotions and preferences.