Abstract:  Heat damage and treatment of high temperature in mine has become a recognized scientific and technological problem in the mining industry at home and abroad. Mine cooling technology has become the technical bottleneck and keys for normal safety production and enterprise development of high temperature mine. With the gradual increase of mining depth， the safety and occupational health of the workers were seriously threatened， especially the health of the miners under high temperature and high humidity. The study on the influence level of thermal and humid environment on function of human body can provide basis and reference for better regulating the thermal and humid environment in a high-temperature mine. Physical， psychological and behavioral measurements were performed on 50 miners (10 working groups) at five operating points in different middle sections of three high-temperature metal mines (the temperature ranges from 23~26 ℃， 27~30 ℃， 31~34 ℃， 35~38 ℃ and 39~42 ℃ respectively； the humidity ranges from 60%~70%， 70%~80% and 80%~90% ；the wind speed was adjusted at 0.5 m/s， 1.5 m/s and 2.5 m/s). Through measurement and data analysis， the variation trend of various functional parameters of human body in the hot and humid environment was obtained， and the conclusion was that the temperature below 27 ℃， humidity of 60%~70% and wind speed at 0.5 m/s were the comfortable environment for miners. When the temperature exceeds 27 ℃ and the humidity exceeds 70%， it is necessary to take cooling and dehumidifying measures to improve operating conditions underground.

Key words: High temperature mine, Thermal and humid environment, Function of human body, Physical and psychological and behavioral effect