Tongxin garden is to commemorate the 70th anniversary of the May Day slogan issued by the municipal central committee united front work department, municipal central district democratic parties donated and built, the theme is unity, fellowship, landscape garden. Its verandas symbolize the unity of all parties around the communist party of China, the lawn symbolizes the land of China, and the observation deck symbolizes the confidence of the road. The camphor, zhennan and osmanthus trees around tongxin garden show the preciousness of friendship, and the golden bamboo, silk bamboo and neijiang maozhu show the feelings of the democratic parties.