Abstract: Using observational data from 97 meteorological ground stations in Hunan Province, the temporal and spatial characteristics and the variation trend of the glaze of Hunan Province were analyzed by EOF (Empirical Orthogonal Function), REOF (Rotated Empirical Orthogonal Function), linear regression, Mann-Kendall mutation, and wavelet analysis and the variation trend was compared with the mountain station data. The results indicate that the glaze occurred mostly between November and March of the following year; the spatial distribution of glaze days showed a higher incidence in the South and East and to windward, and a lower incidence in the North and West and to leeward. There were two high value centers and three low value centers distributed among the high and low value regions. The spatial distribution of the number of glaze days showed characteristics of regional consistency and a discrepancy in the reverse variation between the south and north, which can be classified into three anomaly areas: South and North Hunan, Central and Northwest Hunan, and Northeast Hunan. The yearly glaze days in both Hunan and Nanyue station present the same periodic change of 2, 4, 9, and 24 years. The glaze days converse more or less frequently between period of 2 and 4 years. There is a clear oscillation pattern of 9-year glaze day before the late 1970s. The 24-year glaze day exists during the four transition years in the early 1960s, mid-1970s, early 1990, and mid-2000. There is a significant decreasing trend in the number of glaze days in Hunan over the past 60 years, while the variation tendency in Nanyue station is not obvious although significant inter-annual and inter-decadal variations exist in Nanyue station.