The rule of fluctuation of energy and pressure about canonical assemblages relativity quantum perfect gas under high temperature is given through strict theoretical inference and comparison with the theory on non - relativity 通過(guò)嚴(yán)格的理論推導(dǎo),給出了正則系綜高溫條件下相對(duì)論量子理想氣體的能量和壓強(qiáng)的漲落規(guī)律,并與非相對(duì)論漲落進(jìn)行了比較