If a child’s HFMD improves, he or she will show the following symptoms: First, the rash gradually subsides, which is the most specific symptom of HFMD improvement. After active treatment, the child’s condition will improve and the rash will gradually disappear. Second, the child’s mental state improves and his appetite increases. After the onset of HFMD, children may have poor mental status and poor appetite for food. Finally, children may show a decrease in fever. In some severe cases of HFMD, high fever may occur, but when the disease improves, the child’s body temperature returns to normal.