Public toilets, is that there may be a risk of infectious diseases. Patients suffering from certain infectious diseases after using a public toilet, may through body fluids, secretions, blood, etc. will virus or bacteria residue in the public toilet, the healthy population contact may be infected with a number of diseases, such as condyloma acuminatum, genital herpes, mycosis fungoides inflammatory disease, infectious skin diseases and so on. Therefore, when using a public seated toilet, try to disinfect the toilet rim or bring disposable cushions, etc. for isolation, to prevent direct contact with infectious agents, in order to prevent infection with various viruses or bacteria. People with infectious diseases, in the use of public toilets, also try to avoid residues of viral bodily fluids or secretions, etc. to the toilet, to maintain public health.