A big group of transgenic Cyprinus carpio w ith salmon growth hormone gene was constructed. A .. super fish.. with very faster growth rate was selected from more than 10 000 transgenic common carps. The results of four years sequential growth experiments of the .. super f ish.. and its controls were reported. The result of three years sequential growth experiments of the progenies of the .. super fish.. was reported, and the data of the weight of those progenies and their controls were also reported here. The statistical analysis of those data showed that the effect of salmon growth hormone gene for the transgenic common carp was positive, but only a few in tho se transgenic f ish with this faster growth effect. The weight of the .. super.. f ish was about two times the weight of the biggest f ish in control. The faster growth effect could be transmitted to next generation, and the ratio of faster growth fish in progenies was much higher than that in transgenic Cyprinus carpio population. 43% progenies had foreign genes, but only 14% progenies had the fast growth feature and kept this fast growth trait in their three year old. Some progenies was 5 kg at three year old. In the paper, the future of transgenic f ish was also discussed. Gene transfer is a very powerful tool for scientists to create new aquaculture species with good trait , although this technique needs to be developed further. Gene transfer methods w ill benef it f rom other basic researches such as genome research and molecular biology technology. Transgenic f ish would be used in farm af ter it is tested to be no harm to ecosystem and human beings. For this, more researches on ecosystem testing should be done from now on.