Nephrotic syndrome is the most common kidney disease in early childhood, because nephrotic syndrome is a chronic glomerular disease, so it is a great threat to the physical health of the sick baby. The clinical manifestations of nephrotic syndrome are a series of symptoms and abnormal blood indicators, mainly high swelling, large amount of proteinuria, decreased plasma albumin in the body and elevated blood lipids. The first sign of this disease in babies is swelling of both eyelids in the early morning, gradually swelling of both lower limbs, decreased urine output and foamy urine, most of the babies suffering from nephrotic syndrome is due to “cold” or “diarrhea” swelling aggravated only to cause parents to pay attention to and consult the doctor. Nephrotic syndrome is characterized by 1, the age of onset in 2 ~ 5 years old 2, easy to relapse: small age of nephrotic syndrome, although sensitive to hormone, remission faster, but due to the age of children, easy to be infected and recurring. 3, the prognosis is good, the vast majority of the cure.