Provided are a yarn which can be easily joined by a general knotting method, has a high binding strength, and can suppress discoloration of coloration and a manufacturing method thereof. A yarn in which a plasma treated surface is formed on the surface of the original yarn and rubber is coated on the plasma treated surface. Threads are preferably made of synthetic resin, and polyethylene, wholly aromatic polyester, and wholly aromatic polyamide are preferable.一般的な結び方で容易に結ぶことができ、結束強度が高く、着色の色落ちを抑制できる糸およびその製造方法を提供する。 原糸の表面にプラズマ処理面が形成され、該プラズマ処理面上にゴムが被覆されている糸。糸は合成樹脂からなるものが好ましく、ポリエチレン、全芳香族ポリエステル、及び全芳香族ポリアミドが好ましい。
