Abstract: With the rapid development of China's manufacturing industry, the demand for welding technology talents is constantly increasing. However, the traditional welding training mode has many problems in terms of cost, safety, environmental protection, and efficiency, which are difficult to meet the needs of modern industries. Virtual reality (VR) technology provides an efficient, safe, and green solution for welding training. By building an immersive virtual environment, students can conduct welding operation training under risk-free conditions, significantly improving training effectiveness and resource utilization. The article explores the current application status and core technologies of virtual reality technology in welding training, including force feedback, visual and auditory feedback, melt pool and weld simulation, positioning technology, and weld evaluation technology, and verifies its superiority through experimental data. Research has shown that virtual welding training not only improves students' theoretical and practical abilities, but also effectively reduces resource consumption and environmental pollution, with broad application prospects. The future development direction should focus on technological optimization and interdisciplinary integration to meet the higher demand for welding talents in the manufacturing industry.