The present invention discloses a surgical thread, which includes a first thread and a plurality of second threads. The second threads dispose on the first thread at intervals, and the second threads and the first thread are mutual interlaced. Each of the second threads includes a second node and two second barbs. The second node connects to the first thread. The two second barbs are located on the two sides of the first thread. .本發明揭露一種外科手術的線材,其包括一第一線體以及複數第二線體。該些第二線體間隔設置於第一線體,且該些第二線體分別與第一線體相互交錯。各該些第二線體包括一第二節點及二羽狀結構。第二節點連接於第一線體。該二羽狀結構位於第一線體的二側。