Disinfection products can be classified in different ways. The most common classification is divided into 3 types in terms of risk level of application objects as below:                                                 

• Class I is disinfection products which are of high risk and need to be supervised strictly to ensure their safety and effectiveness. These include high-level disinfectants and disinfection devices used on medical devices, sterilizing agents and sterilization devices, disinfectants for skin or mucosa, biological indicators and chemical indicators with disinfection and sterilization efficacy
• Class II is disinfection products which are of medium-risk and need to be strongly supervised to ensure their safety and effectiveness. These include disinfectants and disinfection devices other than those in class I, antibacterial and bacteriostatic agents, chemical indicators, packages of sterilization articles with corresponding logo etc;
• Class III is sanitary products other than antibacterial (bacteriostatic) agents. This kind of disinfection products are of low risk and can be routinely supervised to ensure their safety and effectiveness. These include sanitary absorbent pads, pantiliner, and tampon, excreta hygiene products like diapers, hygiene products for skin and mocosa like wet wipes and hygiene wet wipes, and other hygiene products like paper towels, makeup cotton, etc.