The small secondary structure pump is a concrete delivery equipment specially used for the construction of secondary structures of buildings. It is small in size, flexible in movement, and can easily enter narrow spaces for operation. The pump adopts an advanced hydraulic system with stable pressure, which can achieve high-precision concrete delivery and effectively control the delivery volume. It has wear-resistant delivery pipes and efficient sealing devices to ensure that the concrete does not leak or clog during the delivery process, improve construction efficiency, and ensure construction quality. It is widely used in the secondary structure casting of high-rise buildings, such as structural columns, lintels, window sills and other parts, and is an important equipment for improving the efficiency and quality of secondary structure construction in building construction.