Caused by the baby suddenly sweating more causes mainly include physiological phenomena, pathological phenomena, taking antipyretic drugs, severe pain, as follows: 1, physiological phenomena: baby wearing clothes or eat hot things after the temporary physiological phenomena, this situation is physiological self-regulation, only need to interfere with the exclusion of factors can be, such as to the baby to reduce the amount of clothing or a little rest for a period of time; 2, Pathological phenomenon: for example, after the baby suffers from acute fever, the body is very weak, will lead to sudden sweating more; 3, taking antipyretic drugs: if the baby after fever taking antipyretic drugs will also lead to the whole body sweating; 4, severe pain: if the baby has severe pain, such as abdominal pain will also lead to sweating more, for the pathology of the sweating, to be dealt with for the cause of the disease.