Abstract: By automatic weather observation equipment，herein choices meteorological data daily from 2012 to 2014 in Zhangjiajie city and Forest Park，selecting the comfort index evaluation formula proposed by LuDinghuang and LeiGuilian to analysis the comfort of tourism in Zhangjiajie Forest Park，and to analysis the differences in two results and do significant test by the data of site in Zhangjiajie city．The results show that，1) The two evaluation methods are both applicable to Zhangjiajie Forest Park，and have their own characteristics and the corresponding portion protruding between the two formulas，but the comfort index formula proposed by LeiGuilian is more suitable for Zhangjiajie Forest Park．2) Forest Park has high level of human comfort index．There are six months of the year in a comfortable period．The most comfortable period is the summer，the comfortable period spring is long than autumn and the very uncomfortable period of time is the winter．