The invention discloses an umbilical cable steel tube coil production line which comprises a first welding table, a second welding table and a real-time imaging detection device. The umbilical cable steel tube coil production line further comprises a storage rack, a feeding roller table, a roller table, a pair of guide rails for the real-time imaging detection device to be placed, a pair of coiler guide rails where a coiler is placed and a pressure test room provided with a water pressure test stand, wherein the storage rack, the feeding roller table, the roller table, the guide rails, the coiler guide rails and the pressure test room are arranged in sequence, multiple roller carrier trolleys are arranged between the guide rails, the first welding table is arranged between feeding roller table and the roller table, the second welding table is arranged between the roller table and the guide rails, and the coiler is perpendicular to the guide rail moving direction and the steel tube conveying direction. The umbilical cable steel tube coil production line can quickly finish coil manufacture and is simple in structure, convenient to operate, high in production efficiency and high in pass percent, and manufactured coils are good in quality.