According to ‘Environmental Impact Report of the Water Diversion Project in Guangdong’ and its reply of the Ministry of Ecology and Environment, a fish restocking station is required to be constructed. The fish restocking station locates in the vicinity of Xijiang River in Yunfu City, Guangdong Province. The primary species for breeding include Gan, Siniperca chuatsi, Channa maculata, Snakehead mullet and Spinibarbus with an annual scale of 450,000 tails. The station is equipped with parent fish pools, hatchery workshop, fry workshop, outdoor fish breeding pool, ancillary circulating water treatment rooms and wastewater treatment facilities. Recirculating aquaculture pattern is adopted. This paper gives a thorough introduction on technical design of fish restocking station, thus providing reference for similar projects.