山塘养鱼在我省已有悠久的历史。山塘水质清新,适合草鱼生长。但草鱼易发病,且鱼病流行季节正是其生长旺盛阶段,常因出现大量死鱼,严重影响鱼产量而挫伤了广大群众的养鱼积极性。而我省大部分地区属于丘陵山区,中草药资源非常丰富,来源十分方便,可就地取材,降低生产成本。所以推广中草药防治鱼病大有前途。笔者在祁东县水产部门工作期间,进行了多年的利用中草药防治鱼病的研究。先后选用辣蓼、地锦、紫苏、马尾松、菖蒲、穿心莲、马齿苋、五倍子、大黄等多种中草药,进行了各个单方和多方配方的反复试验,通过对防病效果的比较,成功的筛选出一组最佳配方,即地锦占20％、菖蒲占20％、辣蓼占30％、人苋占30％,混合碾碎成粉,防病效果显著。具体使用方法是:按鱼体重(包括所有吃草类)计 Pond fish culture in our province has a long history. Pond fresh water, suitable for grass carp growth. However, grass carp is susceptible to diseases and the season of fish epidemics is precisely the period of its vigorous growth. It often causes a large number of dead fish and seriously affects the fish production, thereby damaging the fish enthusiasm of the masses. Most of our province belongs to hilly area, Chinese herbal medicine resources are very rich, the source is very convenient, can be drawn locally, reducing production costs. Therefore, the promotion of Chinese medicine prevention and treatment of fish diseases promising. During the work of the fisheries department of Qidong County, the author conducted many years of research on the prevention and treatment of fish diseases using Chinese herbal medicines. A series of Chinese herbal medicines such as Polygonum hydropiper, Radix Rehmanniae, Perilla, Masson, Acorus calamus, Andrographis, purslane, gallnut and rhubarb were successively selected and tested repeatedly. Of the screening of a group of the best formula, which accounted for 20% of the Kam, iris accounted for 20%, Polygonum 30%, 30% of amaranth, mixed crushed into powder, prevention and treatment of significant effect. The specific use is: according to the weight of fish (including all grazing class) meter