▎ 摘　　要

NOVELTY - Fabric treatment technique comprises carrying out color-fixing process of fabric after dyeing by using color-fixing agent, where the color-fixing agent is Bola organosilicon quaternary ammonium salt (I). USE - The method is useful for fabric treatment technique. ADVANTAGE - The method: has advantages of excellent performance in terms of color fastness, washing fastness, rubbing fastness, light fastness, etc compared with the existing color fixing process; and optimizes softness, hydrophilicity and mechanical properties of the fabric are after the fabric is treated. DETAILED DESCRIPTION - Fabric treatment technique comprises carrying out color-fixing process of fabric after dyeing by using color-fixing agent, where the color-fixing agent is Bola organosilicon quaternary ammonium salt of formula (I). m = 20-124. An INDEPENDENT CLAIM is included for Bola organosilicon quaternary ammonium salt as color-fixing agent.