Provided is a mold (4) for manufacturing a shoe cushion (1), the mold (4) comprising: a first mold (5); a second mold (6) seated on the first mold (5) and configured to contain first cavities (6a); a third mold (7) seated on the second mold (6) and configured to contain second cavities (7a), wherein the second cavities (7a) are smaller than the first cavities (6a) of the second mold (6); a fourth mold (8) seated on the third mold (7); and one or more air vents (9) formed between the first mold (5) and the second mold (6).