Natural dyes have the advantages of safety,non-toxicity,and easy biodegradation,which con-form to the concept of sustainable development and are currently one of the research hotspots in ecological textiles.The classification of natural dyes were summarized,the dyeing process of natural dyes,as well as the industrialization development situation were introduced,and the problems existing in the dyeing of natural dyes were pointed out,and the development direction of natural dyes were proposed,in order to provide ideas and references for the technological progress and industrial application of natural dyes.
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