"Sincere Heart" Pet First Aid System focuses primarily on canines, providing clear visual and voice-guided instructions combined with AR interactive learning to assist owners in quickly mastering emergency rescue steps, seizing the golden rescue time, and improving survival rates. The system integrates a modular first aid kit design with color coding and icon assistance for easy and rapid access to necessary supplies. Additionally, it features a digital pet ID function that synchronizes vaccination and medical records between the app and a physical card, facilitating owner inquiries and enabling medical professionals to access the pet’s health information.