Some questions in a paper of general discussion on van der Waals gas-liquid state equation are analysed.The incorrect points of view in this paper are pointed out,and the correct method of explaining this questions is given.

• 对与范德瓦耳斯气体状态方程有关的几个问题作了进一步分析；给出了一种证明麦克斯韦等面积法则的方法；并指出了有关文献的不妥之处.