Children’s constipation generally does not cause eczema manifestations, eczema belongs to the skin abnormalities, constipation belongs to the gastrointestinal function of abnormal manifestations, when there are two phenomena, it may be due to improper diet and caused. Common treatment methods include dietary modification, medication and topical medication. 1. Dietary modification: Foods that may cause allergy should be avoided. Foodborne allergy can lead to aggravation of eczema, so foods that may cause allergy should be avoided. 2. Medication: Loratadine can be taken under doctor’s supervision for treatment. In addition, weak hormonal drugs such as Denadyl cream can be used externally to control eczema. Normally, attention should be paid to skin moisturizing to avoid damaging the barrier function of the skin mucosa. For constipation, intestinal probiotics such as Bifidobacterium bifidum can be taken as prescribed by the doctor to improve intestinal flora and relieve constipation. The causes of constipation and eczema in children are many, so the specific treatment varies from person to person. Since constipation and eczema are two different manifestations, it may be necessary to consult dermatologists and gastroenterologists. It is recommended to follow the doctor’s instructions for treatment, do not use medication without authorization, in order to avoid danger.