Qingdao Old Sifang is worth investing in. More than 5,111 mu of land development in the old Sifang Industrial Zone, such as CRRC Sifang Smart Port, Baiyang International Great Health and Health Finance Innovation Port, has gradually landed, including the gradual improvement of the subways of Happy Binhai City, Hudao, Haiyun 'an, Beilingshan, Shuiqinggou and Shengli Bridge, and the folk culture of the old Sifang Haiyun 'an, the old Sifang still has a good development force.