Abstract: Provided is a resin composition for a strap of a wearable electronic device and a method for manufacturing same. The resin composition for the strap includes: 50% to 80% by weight of a thermoplastic resin having a hardness of 80 Shore A or less, 20% to 50% by weight of a high specific gravity inorganic compound, and may have a specific gravity of 1.6 or more, a hardness of 50 Shore A to 80 Shore A, a tensile strength of 15 MPa to 27 MPa, and a tear strength of 53 kgF/cm 2 to 79 kgF/cm2.