Resorcinol is mainly used for rubber adhesives, synthetic resins, dyes, preservatives, medicine and analytical reagent, such as primary side, resorcinol and phenol, cresol are similar, and formaldehyde condensation polymer, can be used in making viscose rayon and nylon tyre cord adhesive, preparation of cement, wood glue used for vinyl material and metal, resorcinol is many azo dye, fur dyes intermediates, raw materials and pharmaceutical intermediates for nitrogen base salicylic acid. Phloroglucinol has a bactericidal effect and can be used as a preservative in cosmetics and skin medicine pastes and ointments. The derivative of resorcinol -methyl umbelliferone is an intermediate of optical bleach, trinitroresorcinol is a detonator detonator, and a considerable amount of resorcinol is used in the production of diphenylketone ultraviolet absorbers. This product can irritate the skin and mucous membrane, and can be quickly absorbed through the skin to cause poisoning.