For conjunctivitis, strict attention must be paid to personal and public hygiene. Second, patients in the acute phase need to be isolated to avoid contagion and prevent an epidemic. Third, strict disinfection is required for face-washing items, towels, and medical instruments that have been used by the patient. Fourth, medical staff must wash and disinfect their hands after contact with patients to prevent cross-infection. Fifth, newborns should routinely be given antibiotic eye drops immediately after birth.