Abstract: The fundamental characteristics of the Late Mesozoic palaeogeothermal field in Jiaozuo-Jiyuan Were studied in line with some geothermal and geopressured indicators.And it was concluded that there existed the abnormal and transient peculiarities in the field.Basing upon the results,the mechanism on the formation of the abnormal geothermal field was further gone into in combine with the relative geological data.