Heart of the hands and feet fever mouth ulcers, from the point of view of Western medicine, there is no obvious relationship between the two, may be the emergence of oral herpes disease or aphthous ulcers, herpes is usually the use of antiviral drugs, anti-inflammatory and pro-healing drugs and so on. 1. Herpes. When the organism herpes virus infection in the prodromal stage may have generalized fever symptoms, followed by the appearance of oral blisters, and then erosion into ulcers. Treatment is usually prescribed with the antiviral drug acyclovir. 2. Aphthous ulcers. When the body is malnourished, lack of vitamins or external stimuli can cause oral ulcers, herpes-type recurrent aphthous ulcers may cause fever, you can use cediriodine tablets, prednisone, lysozyme tablets and other drugs. The appearance of oral diseases, it is recommended to go to the hospital as soon as possible to avoid delay.