Foam in urine is most common when the urine is concentrated, and when the concentrated urine is discharged, impurities inside can form foam. In addition, the common foam is also protein and sugar. All mothers have to increase nutrition after delivery, so it is very common clinically to have foam in the urine after delivery. Generally, it is because the mother is weak after giving birth, often eat a lot of nutrients to replenish the body, these nutrients have a lot of protein, protein through the urine discharge part, there will be foam. In addition, be careful if the pregnant woman has diabetes, if there is diabetes will also have foam in the urine, you have to treat diabetes.