The invention provides an intelligent circulating pump and an intelligent hot water circulating system. The intelligent circulating pump comprises a pump body, a control panel, a controller, a water inlet and a water outlet. The control panel, a first sensor, a second sensor and a flow meter are all in communication connection with the controller. The control panel is used for receiving parameter settings for the circulating pump by a user and displaying the related settings. The intelligent hot water circulating system comprises the intelligent circulating pump, a water heater with the water inlet and the water outlet, at least one faucet, a cold water pipe, a first hot water pipe, a second hot water pipe, a heat exchange pipe, a water return pipe, the first sensor, the second sensor, the flow meter and a one-way valve, wherein each faucet is provided with a hot water end and a cold water end. According to the intelligent circulating pump and the intelligent hot water circulating system, the defects of existing household water resource using situations are overcome, and an existing water circulating pipeline is improved. By means of the intelligent circulating pump, the daily requirements are fully met, the user can use hot water or cold water at will, and energy waste is avoided.