For children with eczema on the hands can be treated by changing the diet and applying medication, as follows: 1. Change the diet: If children are allergic to fish and shrimp, they should try to avoid eating fish and shrimp, which often aggravate eczema symptoms after eating fish and shrimp; 2. Apply medication: Apply the compound Phellodendron jaundice dispersant to children for external application, the compound Phellodendron jaundice dispersant is made of pure Chinese medicine, the main ingredients include Phellodendron jaundice, etc. It can have a good effect of drying dampness and relieving itching. If the effect of Chinese medicine is not very satisfactory, you can apply glucocorticoid creams to children, such as the lighter mometasone furoate creams or hydrocortisone creams.