Special-purpose detergent for underclothes

The invention relates to special-purpose washing agent of next-to-skin clothes, which belongs to the technical field of washing products. The invention is characterized in that the invention contains plant vinegar liquid which is 55-85% of the total weight, the plant vinegar liquid is bamboo vinegar liquid, wood vinegar liquid and grass vinegar liquid. The above special-purpose washing agent of next-to-skin clothes has the functions of disinfecting, sterilizing, washing, skin care, deodorizing, relieving itch and flavoring, which does not contain phosphor, and has the advantages of safe employment, environmental protection and excellent washing effect, the special-purpose washing agent has little influence to environment, which is especially suitable for cleaning next-to-skin clothes. The washing agent is generally made into concentrated solution to reduce packing and transportation cost.