近年来，鲤鱼孢子虫病危害甚大，特别是在大水面网箱养殖中，由于鳃上寄生孢子虫的鲤鱼一般条件下不表现出症状，加上因为养殖者的技术水平，缺乏经验等原因，孢子虫病未得到正确的诊断和及时治疗，常造成大量的经济损失。笔者曾诊疗过多例孢子虫病，对这种病有一些粗浅的认识 In recent years, carp spore and worm disease is very harmful, especially in the large surface water cage culture, due to the gill parasites on the common carp under the conditions do not show symptoms, coupled with the technical level because of farmers, lack of experience and other reasons, Sporozoosis has not been properly diagnosed and treated promptly, often resulting in a lot of economic losses. The author has diagnosed excessive sporozoosis cases, there are some superficial understanding of this disease