Herpes simplex is a common disease.

Herpes simplex is also known as fever blisters, is caused by herpes simplex virus pain infection, generally out of the current body parts, but the most common is the gums, the outside of the mouth, nose, cheeks or hands, blisters formed, broken will produce exudate, and then the yellow and white crust will gradually shed, in the crust below will show new skin, herpes simplex is also infectious, because herpes simplex is caused by herpes simplex virus, Spread through human utensils, towels, communal food and kissing.