Dragon louse breeding is a special animal breeding program that has only emerged in the last two years. Dragon louse is an aquatic insect, for the dragon louse family of all sizes of species of genera, it has a huge family, only in our country there are about 160 species, and the Japanese sucker dragon louse is the largest individual a kind of dragon louse. Due to the small size of the individual dragon louse, the water space occupied is also small, it is suitable for both fish ponds and other large water surface culture, but also suitable for a few square meters in the concrete pool or even the area of smaller tanks, etc., and its economic value and higher.