Infant eczema is a type of skin allergy. If an eczema patient develops crusty skin, it often indicates that the condition is improving. In this case, it is important to keep the skin clean and hygienic, avoid scratching the crusted areas with hands, and also ensure that the local skin is well-moisturized to prevent infections. However, this does not mean that eczema will stop occurring once it crusts over. Eczema is a recurrent disease, so even if it heals this time, it may still reappear in the same areas in the future.