The invention relates to a skirt structure, which comprises a barrel body, a first short section and a basic ring plate, wherein the first short section is fixed at the top end of the barrel body, the basic ring plate is installed at the bottom end of the barrel body, a first short pipe is arranged on the upper portion of the barrel body, a bearing plate and a second short pipe are arranged in the middle of the barrel body, the second short pipe is installed on the bearing plate, and a connecting plate is arranged on the first short section. The skirt structure has the advantages that the structure is compact, the welding is firm, the safety performance meets standard requirements, the material consumption is small, the installation is simple and convenient, the construction period is shortened, the production cost is reduced, and the skirt structure has good economic and social benefits.