Template for producing prefabricated floating tunnel

The utility model discloses a template for producing a prefabricated floating tunnel, which is used for flow production line operation and comprises a bottom supporting template, a top supporting template and a bottom supporting template, the bottom supporting template comprises a movable template, and the movable template is used for driving the prefabricated floating tunnel to move; the outer mold is arranged on the bottom supporting template, and the outer mold is controlled through mechanical equipment, so that mounting and dismounting of the outer mold are realized; an annular pouring cavity is formed by the outer mold and the inner mold, and the annular pouring cavity at least comprises a first pouring cavity body and a second pouring cavity body; a steel reinforcement cage is arranged in the annular pouring cavity and fixed to the movable formwork. And the inner supporting frame penetrates through a prefabricated production line to form an inner support, and the inner mold is supported on the inner sup