To provide a mold capable of uniformizing the solidification of a molded product by devising the arranging position and/or molding method of a mold temperature regulating passage to enhance a product yield and product efficiency, and its manufacturing method.

A cavity wall part 132a, which constitutes a part of a movable cavity 132, a movable peripheral passage wall part 42Ra constituting a part of the movable peripheral passage 42R pierving a mating surface PL and a piercing passage wall part 42Ta constituting a part of the piercing passage 42T for piercing the mating surface PL are integrally formed to the movable layered body 112a for forming the region approaching the mating surfrace PL (reference plane S) at the same time. A base wall part 113b, which constitutes a base part 113b, a handle part 113s, a top part 113t, an umbrellar part 113c and a skirt part 113f, is contained as a cavity wall part 132a contains the handle wall part 113s, a top wall part 113t, an umbrellar wall part 113c and a skirt wall part 113f. Further, an erected wall part 142s constituting a part of an erected part 42s is contained as the piercing passage wall part 42Ta.