This poster design uses dot shaped blue geometric shapes resembling dots to orderly form the undulating "Tide" as the main graphic of the poster, supplemented by sky blue tide, white waves, reflection of golden sunlight and fish schools, and light yellow shoals, forming the designer's impression and feeling of the tide. In addition to expressing the hope for harmonious coexistence with nature, it also conveys the meaning of the trend and trend implied by "Tide".