Hand, foot and mouth disease can come back a second time. If the first time you get hand, foot and mouth disease after cured, in the later life did not do a good job of hygiene care, if the resistance is relatively low, it is very likely to get a second time. Hand, foot and mouth disease is caused by enterovirus infection, the early symptoms are generally manifested as mouth pain, low fever, anorexia and other parts of the growth of herpes or a small area of ulcers, if the virus is infected again or will be infected again, usually recommended to pay attention to hygiene, wash your hands before meals, and eat more eggs, lean meats, etc., to enhance their own immunity to avoid re-infection and recurrence. If you have hand-foot-mouth disease again, it is recommended to go to the hospital in time for examination and treatment.