The invention relates to a T-profile manufacturing tool, and belongs to the technical field of ship repairing and building. The T-profile manufacturing tool comprises a fixed platform (1). The fixed platform (1) comprises left and right side plates (1.1) arranged parallel to each other and an intermediate supporting plate (1.2), and top plates (1.4) are respectively arranged inwardly at the top of the left and right side plates (1.1), a groove (1.5) is formed between the left and right top plates (1.4). A plurality of transverse supporting plates (1.6) are arranged both on the left and right sides of the intermediate supporting plate (1.2) and between the bottoms of the left and right top plates (1.4). The top of the transverse supporting plate (1.6) is flush with the top of the intermediate supporting plate (1.2), both the left and right sides are provided with a row of pin rocker bearings (2), and a rotatable anchor is arranged on each pin rocker bearing (2). The T-profile manufacturing tool is characterized by improving the production efficiency greatly,ensuring the finished product quality and increasing the construction safety.