Disclosed in the present invention are: a composition for tissue repair using a nontoxic biocompatible polymer； and a manufacturing method therefor. Provided according to the present invention are: a composition for tissue repair, the composition comprising a copolymer obtained from the polymerization of a hydrophobic biocompatible polymer and a hydrophilic biocompatible polymer, the composition being in a colloidal phase in which the copolymer is dispersed in water； and a manufacturing method therefor.
