矿工（包括凿岩工、爆破工、搬运工、支柱工等）长期从事井下作业。由于矿井内阴暗、温差大，工作时间长，劳动强度大，作业环境高温潮湿，又时常受到振动、噪音、粉尘及有害气体等不利因素的影响，可使工人的基础代谢增高，热量消耗增多，还容易引起感冒、关节炎、支气管炎、 Miners (including rock drillers, blasting workers, porters, pillar workers, etc.) have long been engaged in underground operations. Due to the darkness and temperature difference in the mine, long working hours, heavy labor intensity, high temperature and humidity in the working environment and unfavorable factors such as vibration, noise, dust and harmful gas, the basic metabolism of workers can be increased and the caloric consumption can be increased. Also easily cause a cold, arthritis, bronchitis,