Symptoms of perioral eczema include inflammatory scaly skin around the mouth and lips, and dry, cracked and painful lips and mouth. The rash is caused by the child’s excessive lip licking or finger sucking, which causes saliva to irritate the surrounding skin. Once those bad habits are changed, the perioral eczema will also disappear quickly. Many factors related to the small size of the mouth and teething during infancy make it easy for eczema to form around the mouth. Since the cause of drooling persists, the eczema around the mouth is recurrent. So how is inflammatory scaly skin around the mouth and lips diagnosed? The following is a brief description. Inflammatory squamous skin around the mouth and lips manifests as a rash around the mouth. There is inflammatory squamous skin around the mouth and lips; the mouth and lips are dry, cracked and painful; in the development of the disease, various types of rashes such as erythema, papules, blisters, pustules, vesicles and crusts can appear sequentially, but often 2-3 types of rashes coexist or a certain type of rash predominates at a certain stage. It is often aggravated by severe itching and frequent scratching. Inflammatory squamous skin around the mouth and lips is a very high incidence skin disease, which will gradually improve as the baby grows older, strengthens and develops intestines and stomach. However, due to the persistence of the cause of drooling, the eczema around the mouth is recurrent. It is recommended that patients actively go to the hospital for diagnosis and treatment under the guidance of a doctor once symptoms are detected, so that the child is saved from unnecessary pain.