The following measures can be used to deal with the sudden swelling of children’s feet. First of all, it should be stopped in time, no matter what kind of reason is caused after the swelling of children’s feet, first of all, let the children have more rest, do not walk on their own again. Secondly, give the child a local cold compress, you can use ice on the child’s foot face, is conducive to swelling subside. In addition, the children timely application of anti-allergy drugs, some children’s feet suddenly swollen, is due to allergic factors, often accompanied by very itchy skin and other symptoms, you can apply loratadine or cetirizine anti-allergy treatment.