In the fast-paced modern life, people increasingly long for a private space where they can truly relax both physically and mentally and restore their fatigue. Spa bathtubs, as a carrier of a healthy lifestyle that integrates technology and natural concepts, are quietly entering thousands of households and becoming an important symbol of urbanites' pursuit of a quality life. It is not merely a bathing tool, but also a comprehensive spa system integrating physiotherapy, health preservation and relaxation, opening up a peaceful realm for us in the bustling world.