The invention relates to the technical field of textile printing and dyeing, and in particular, relates to an ecological skin care fabric processed by a plant dye. The dye is composed of one or more of lycopodium clavatum, weeping willow, walnuts, quercus variabilis, sanguisorba officinalis, robinia, polygonum orientale, polygonum lapathifolium, kochia scoparia, salsola collina, koelreuteria paniculata, viola yedoensis, xanthium sibiricum, a felon herb extract, one or more of chitosan with the molecular weight of 1500-20000, dextrin, fructooligosaccharide and sorbic acid are used as dyeing auxiliary agents, and cotton fibers, hemp fibers, wool and silk are dyed by a low-temperature acoustic dyeing process and then are processed into the fabric; the fabric has antibiosis, anti-mite, moisturizing and skin-care functions.