It is a new generation of synergism antiseptic that does not contains CIT, AOX and VOC, especially for the water hygrometric state antiseptic of the products allergic to formaldehyde and bivalence metal ion. It can be used to protect the water products (such as emulsion varnish, polymerization latex, adhesive, enamel, loading agent, sealant, etc.) from hazardous microorganism pollution under hygrometric state, especially for high PH value environmentally protective products. The recommended concentration is 0.2 - 0.4%.