The influence of cadmium pollution from the Dayu tungsten mine on the crops and crowds is discussed. The environmental protection must be strengthened to prevent from the itai-itai disease.

• 对大余县农作物、人体镉含量作了调查分析，有害伴生元素镉对灌区农作物产生污染，危及人体健康；必须加强环境保护，防止“骨痛病”出现。