Construction drawing of swimming pool circulating water treatment, including design description, swimming pool/paddling pool/machine room layout plan, process flow diagram, pipeline reservation diagram, pipeline layout, etc. The swimming pool adopts countercurrent circulation. All the circulating water in the swimming pool is pumped into the purification treatment system from the sump set on the pool wall, and then sent into the swimming pool and leisure pool from the distribution outlet at the bottom of the pool. Complete set of drawings,