Swimming pool water speed control method and swimming pool

The invention discloses a swimming pool water speed control method and a swimming pool. The swimming pool water speed control method comprises the steps that coordinate points are set in a control system, the initial swimming speed is set in the control system, the control system controls a swimming water pump to operate, the control system controls a position detection device to detect the coordinate point of the human body position in the swimming pool after receiving the starting instruction, and after the control system receives the starting instruction and delays t0 time, the control system starts to read the coordinate point of the human body position detected by the position detection device at the interval of T0, wherein the swimming pool comprises a swimming water pump; the swimming water pump is in signal connection with the control system; and the water outlet of the swimming water pump is located at the upstream end of the swimming pool, and the water return port of the swimming water pump is loca