An object of the present disclosure is to provide a composition having tissue repair activity, which is capable of promoting reactions associated with tissue repair. To achieve this object, the composition having tissue repair activity of the present disclosure contains at least one selected from the group consisting of a first component that is a protein having a monocyte chemotactic protein-1 (MCP-1) activity, a second component that is a protein having the extracellular domain activity of sialic acid-binding immunoglobulin-type lectin-9 (Siglec-9), and a third component that is at least one of chondroitin sulfate and chondroitin sulfate proteoglycan.
