The utility model relates to a self-advancing type city gate-shaped pipeline lining machine which comprises a housing, wherein the shape of the housing is consistent with the outline of a city gate, a feed port is arranged on the housing, a machine head is arranged at the end part of the housing, a power source is mounted on the machine head, the bottom of the housing is in track width fit with a track, a material squeezing circular shaft is sheathed in the housing, the end part of the material squeezing circuit shaft is fixed on the machine head through a bearing, the end part of the material squeezing circular shaft is connected with the power source, and a material conveying auger is arranged on the material squeezing circular shaft corresponding to the feed port. The self-advancing type city gate-shaped pipeline lining machine disclosed by the utility model can ensure that an added concrete material can cover blades of the material squeezing circular shaft by only adding the material sustainedly and further protect the quality of a produced pipeline; and the concrete pipeline is good in integrity. The novel self-advancing type city gate-shaped pipeline lining machine is simple to operate, low in technical requirements and good in integrity of the produced pipeline, and can reduce time and cost for supporting a formwork, be time-saving and labor-saving and particularly realize better effects for the city gate-shaped pipelines with the inner diameter of less than 400mm. The self-advancing type city gate-shaped pipeline lining machine plays a great promotion role for construction of farmland water conservancy.