Hand, foot and mouth disease blood test sheets can look at the results from the following aspects: 1, from the blood routine, blood routine performance shows normal or below normal white blood cells, lymphocytes are elevated, which is the performance of viral infection. 2, from the enterovirus EV71 test, some are positive for enterovirus EV71, suggesting that the baby virus is a virus from the intestine, but also some are coxsackievirus infection, through the blood test virus antibodies 3, can agree to look through the C-reactive protein, when inflammation or infection damage, C-reactive protein indicators will be significantly higher than normal, can also help diagnose whether there is hand, foot and mouth disease.