The invention discloses a gas well production string provided with double parallel pipes. The gas well production string comprises a casing pipe, a double-pipe mandrel hanger, a large oil pipe, a small oil pipe and a double-pipe packer, wherein the large oil pipe and the small oil pipe are suspended in the casing pipe through the double-pipe mandrel hanger, and the double-pipe packer is used for packing the casing pipe and fixing the large oil pipe and the small oil pipe; a first underground safety valve and a first working barrel are mounted on the large oil pipe; a second underground safety valve and a second working barrel are mounted on the small oil pipe. When the initial productivity of the string is higher, the large oil pipe and the small oil pipe can be used for production simultaneously; when the mid-term productivity is reduced, the large oil pipe independently is used for production; after water breakthrough of a gas well, the liquid carrying capability of the small oil pipe is higher, and independent liquid carrying production can be performed; if more liquids are accumulated and blow-in cannot be realized, gas lift drainage gas recovery is adopted; the string is not required to be moved for operation in the whole production process of the gas well, the gas well production string has the characteristics of high gas producing rate and small environment pollution, later well repairing is not required, reservoir stratum pollution is reduced, the operation cost is reduced, and the string has good adaptability for high-yield gas field development.