Disclosed is a flange head which belongs to the pipe connecting technology field. The flange head is composed of a flange head main body, and is characterized in that a cooling cabinet is arranged in the flange main body in matching way, the cooling cabinet is connected with a main channel, and a tray-type sprue gate is arranged in the main channel periphery. The flange head has simple structure and convenient manufacture; by adopting the tray-type sprue gate, the feedings stream is stable and even, and the pressure loss is small; the flange head can strengthen the production joint strength without easily distortion, and has no welding joint.