利用热场动力学的方法计算了热压缩态中测量相位算符的涨落。引入了两种类型的基础量子涨落，一种是与测量相位的两个正交分量相联系；另一种是与一个测量相位分量和光子数相联系。由此，研究了热压缩态中测量相位涨落的两种压缩及其与温度的关系。 Using the method of thermal field dynamics, the fluctuation of measured phase operator in hot compression state is calculated. Two types of fundamental quantum fluctuations are introduced, one associated with two orthogonal components of the measured phase and the other with a measured phase component and photon number. Thus, two kinds of compression of measuring phase fluctuation in thermo-compression state and its relation with temperature are studied.