Abstract: A water circulating apparatus and method for using in a built swimming pool or a swimming pool during building. The apparatus includes: a container disposed in the swimming pool and the container has a water outlet and a water inlet respectively on a front end and a rear end, the water outlet and inlet are under the water level in the swimming pool, and a water circulation actuating mechanism provided on the front end of the container for pushing and lifting water from the front end of the container and controlling flow rate of water to flow out from the water outlet to the other end of the swimming pool, and to cause the water in the rear end of the swimming pool to flow into the container from the water inlet, and to flow toward the water outlet through the container, thus effecting water circulation in the swimming pool.