Disclosed is a pneumatic tire which has an enhanced uniformity of the tire including an adhesive sealant layer disposed inside its tread portion. In a pneumatic tire T including an adhesive sealant layer 5 disposed inward of an inner liner 4 in a region corresponding to its tread portion 1, the adhesive sealant layer 5 is formed of a laminate including: an auxiliary rubber layer 5a disposed closer to the inner liner 4, the compression set of the auxiliary rubber layer 5a being set at 40% or less; and an adhesive sealant material 5b disposed inward of the auxiliary rubber layer 5a.