If the 8-month-old baby accidentally ate the plastic foam, you need to use the following measures to deal with: 1, give the children appropriate more warm water, increase the amount of breastfeeding, because give the children appropriate more water as well as increase the amount of breastfeeding later, will effectively promote the children’s stool, this time the children’s foam will be discharged with the stool, because of the chemical nature of the plastic foam is more stable, and children’s body of gastric acid is difficult to react. 2, give the children timely massage, you can massage the children’s abdomen in a clockwise manner, thereby promoting the gastrointestinal tract to speed up the discharge. 2, give children timely massage, you can clockwise massage children’s abdomen, so as to promote gastrointestinal peristalsis, accelerate the discharge of foam.