A lot of small rice-like particles on the baby’s legs may be seen in peri-corneal keratosis, eczema and contact dermatitis, the treatment options include keratolytic, anti-inflammatory, anti-allergy and anti-itching, etc., respectively. 1. Keratosis pilaris is a skin disease with genetic predisposition, which is mainly manifested as hyperkeratosis centered on hair follicles, and locally can be presented as goose bumps. Keratosis pilaris is difficult to cure, but it can be improved by topical use of some keratolytic drugs, such as Vitamin A cream. 2. Eczema is due to a variety of factors that lead to a kind of inflammatory skin diseases, clinical manifestations of more, usually accompanied by different degrees of itching, in the treatment of anti-inflammatory drugs, such as Dinaid cream. 3. Contact dermatitis is due to the skin of the legs due to contact with sensitizing or irritating objects and produce a perverse reaction, in the treatment of the main is to keep the skin clean, and then give some anti-allergic anti-itch medication, such as hydrocortisone butyrate cream and so on. Due to the different causes of the disease, the treatment may vary to some extent, and the specific situation requires a doctor’s consultation.