A synthetic resin tube container formed so as to shorten the length of a mou th- neck part and avoid double walls from being overlapped with each other in a structure for mounting a cap to the mouth-neck part in order to reduce the amount of molding material, wherein the upper surface of the mouth-neck part (4) erected from a shell part (2) of a container body (1) through an inward flange-shaped wall (3) is closed by a top wall (6) having a spout hole (5), and an insert tube (12) connected through a hinge (15) to a cover plate (13) of a cap main body is fitted closely to a close-fitting recessed groove (7) provided around the upper surface of the inward flange-shaped wall (3).</SDO AB>
