The visible symptoms damages of artificial acid rain and its effect on the content of chlorophyll, stomatal aperture, POD activity and membrane permeability of leaf in cowpea ( Vigna sinensis Savi) were studied with a field artificial acid rain system. 采用田间酸雨喷淋系统,研究了模拟酸雨对豇豆(VignasinensisSavi)叶片可见伤害、叶绿素含量、气孔开度、过氧化物同工酶活性、细胞膜透性的影响。