Trichloroisocyanuric acid (TCCA) is a highly effective broad spectrum sterilization, algicide and decolorant, appearance is white crystalline powder, granular or tablet, , and Integrating the advantage, such high effect, board spectrum, low toxicity, safty and easy storage and convenient to use and transport as a whole. Cause of easily killing for bacteria, viruses, fungi, spores and others, it can be used for disinfecting sterilizing of environmental, water, fruits and vegetables, livestock and poultry feeding trough, fish ponds, silkworm room, hospitals, hotels, schools, restaurants, clothing, bedding, tableware and swimming pool. In the Industry, TCCA can be used for industrial wastewater and sewage treatment, sterilization of oil drilling mud and sewage treatment; the textile industry as a bleaching agent and cold bleaching agent; wool and wool cashmere treatment agent shrink-proof, also used to make sea water battery and so on.