Introducing Plant Guardian (Research Edition), a cutting-edge mobile app tailored for plant pathologists. Fusing artificial intelligence and advanced digital image processing technology, it can accurately identify the diseased areas of various plant leaves and fruits. The mobile app allows users to capture images for intelligent disease detection anytime, anywhere, supporting batch processing of images and the upgrade and expansion of personalized indicators. The entire process involves cloud-based model analysis and data storage, with multiple ways to share data and convenient report exports.