Norovirus is a self-limiting virus, and most babies infected with this virus can heal on their own. However, each baby’s immunity varies greatly, and the time to heal is not always consistent. In most babies, it may take about a week or longer to heal on its own. After the infection of norovirus, if the baby’s resistance is good enough, and the clinical symptoms are not serious, careful care for a week or so can be self-cured. If the resistance of the weaker baby is infected, the self-healing time will be longer, the serious condition will not be self-healing, need active treatment to heal. There is no special antiviral drugs for norovirus, treatment is mainly symptomatic support treatment, baby’s immunity is particularly important, parents need to take good care of. After infection with norovirus, there is generally an incubation period of about 24-72 hours. If the baby has more diarrhea and shows symptoms of dehydration, it is important to actively consult the pediatric clinic to avoid causing life-threatening problems. In the treatment process, the use of antibiotics is ineffective, mainly to rehydration, prevention of electrolyte disorders.