Baby's oral viral herpes is caused by the herpes simplex virus, which can be treated with antiviral therapy. At the same time, it can be treated with Kaihoujian spray. It can be treated with Kangfuxin solution. You can go to a regular hospital to do a blood routine to see if there is bacterial infection. If bacterial infection is combined, antibiotic treatment is also required. At the same time, let the baby drink more water and eat a light diet to avoid the baby getting cold. The baby has oral herpes. Because he is young, his resistance is poor, and he will suffer from pain and discomfort. He has drooling, poor appetite, and does not like to eat. At this time, he should let the baby eat some liquid or semi liquid. Eat cold and ice, and do not eat too hot. Generally, oral herpes has a process, and will start to collapse after three or four days. So eat light and drink more water, Supplement enough nutrition and vitamins, and at the same time, it can be treated locally with anti-inflammatory, analgesic, dry and astringent drugs.