The utility model relates to the field of internet of things, in particular to a domestic intelligent fish farming system comprising a plurality of sensors, a fish farming auto-control master unit, network cameras, user terminals, and a cloud. The sensors, the user terminals and the cloud perform data exchange pairwise via a network. The domestic intelligent fish farming system has the advantages that attendance is not required, fishes are domestically farmed fully-automatically, real-time data of a fish tank is monitored around the clock, the system automatically takes farming schemes via analysis according to different habits of fishes, equivalently a fish culturist or a professional fish farmer is asked, and worries behind are freed for farmers.