The graduation thesis "Temperature Control Based on Single-Chip Microcontroller" explores the advantages of using a single-chip microcontroller for intelligent and automatic control systems. The 80C51 single-chip microcontroller was used to develop a temperature control system, focusing on the hardware structure and programming methods. By combining theoretical knowledge with hands-on practical experience, the thesis demonstrates the effectiveness of learning and applying single-chip microcontrollers in various applications. Keywords: single-chip microcontroller, temperature sensor, analog-to-digital converter. The study conducted at Hunan Metallurgical Vocational and Technical College's Electrical Engineering Department highlights the growing trend of integrating single-chip microcontrollers in various industries, showcasing their versatility and cost-effectiveness in developing sophisticated control systems. Through this research, the potential of single-chip microcontrollers in enhancing automation and efficiency is further emphasized, making them a crucial component in the advancement of intelligent control technologies.