Qwen2.5-Math is a series of open-source large language models specifically designed for mathematical problems, including a base model and instruction-tuned models. It supports both Chinese and English, utilizing Chain-of-Thought (CoT) and Tool-Integrated Reasoning (TIR) methods to solve math problems. This model has excelled in various mathematical benchmarks, particularly excelling in precise calculations and algorithmic operations. The development of Qwen2.5-Math aims to enhance the application capabilities of large language models in the field of mathematics and promote the advancement of math education and research.