Diabetica-7B is an optimized large language model specifically for diabetes care. It excels in various diabetes-related tasks including diagnosis, treatment recommendations, medication management, lifestyle suggestions, and patient education. The model is fine-tuned based on open-source models, utilizing specific disease datasets and fine-tuning techniques, providing a reproducible framework that accelerates the development of AI-assisted healthcare. Additionally, it has undergone comprehensive evaluation and clinical trials to verify its effectiveness in clinical applications.