The invention discloses a control box of a massage pool. The control box comprises a housing, a massage unit, a controller, a control panel, a first vent pipe and an operation component, wherein the position of the control panel is higher than the position of the massage pool, the first vent pipe is installed in the housing in connection mode, the operation component is connected with the housing in moving mode, and the operation component moves so as to control connection and disconnection of the first vent pipe with the exterior of the housing. A water inlet pipe, a water outlet pipe and a second vent pipe are arranged in the massage pool, wherein one end of the second vent pipe is communicated with the water inlet pipe, and the other end of the second vent pipe is communicated with the first vent pipe. A check valve used to prevent water in the massage pool from flowing out through the second vent pipe is additionally arranged in the massage pool. External air can be siphoned along with water flow which is rapidly spouted and enters into the first vent pipe, and then enters into the water inlet pip through the second vent pipe and is mixed with water so as to form mixing water, and finally the mixing water flows into the massage pool. The mixing water is soft and comfortable. Additionally, the position of the control panel is higher than the position of the massage pool, and the control panel is clearly visible, and conforms to operation habits of people.