Viral herpes is mostly related to herpes virus infection, one and a half year old baby viral herpes recurrent fever, need to strengthen the care, timely reduction of fever, as well as antiviral treatment. 1. strengthen care: one and a half year old baby viral herpes recurrent fever, daily attention should be paid to a light diet, drink more water, more rest, do not strenuous activities. At the same time, pay attention to keep warm, avoid cold, etc.. 2. Reduce heat treatment: If the baby’s body temperature is below 38.5 ℃, can be through the physical cooling, such as warm water bath or head placed antipyretic paste. Temperature over 38.5 ℃, then need to follow the doctor’s advice oral ibuprofen and other antipyretic drugs to lower the temperature. 3. Antiviral treatment: commonly used systemic antiviral drugs such as valaciclovir. Topical antiviral drugs can be used topically, such as Penciclovir cream. One and a half year old baby viral herpes recurrent fever, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, active treatment, the use of medication in accordance with the doctor’s instructions.