Baby forehead with white dots is often a symptom of eczema, chestnut rash, lichen planus, white pityriasis and other lesions, common causes and treatment methods are as follows: 1, eczema: an inflammatory skin disease of the epidermis and superficial dermis caused by a variety of complex internal and external factors, manifested as a diversity, symmetrical distribution of rashes. The white dots are hypopigmented spots after the inflammation of the rash, and most of them can usually recover on their own, or they can be treated with topical ointments as prescribed by the doctor. 2, corn rash: When it is hot and muggy, due to the blockage of sweat ducts, sweat accumulates causing white dots on the cheeks and nose of the child. Corn rash is not painful and does not get infected. Usually, after cooling and drying the skin, most of them will disappear soon on their own. Should pay attention to the child ventilation heat, clothing should be loose breathable, keep the skin clean and dry; 3, lichen planus: superficial chronic fungal infection of the skin caused by Malassezia furfur, which occurs in the sebaceous gland-rich parts, infants and young children to forehead and the back of the neck common, performance for the round pale white patches, can also be pink, the surface covered with thin bran-like scales, the baby with lichen planus can be topical antifungal Preparation treatment; 4, white pityriasis: due to sun exposure or children’s nutritional imbalance caused by a hypopigmented skin disease, can be manifested as white dots. For the treatment of pityriasis albuginea, you can use hydrocortisone cream, if necessary, you can add tacrolimus cream treatment; 5, other: pigmentation abnormalities, vitiligo, etc. can also lead to white dots on the forehead of the child, so you need to go to the hospital for further examination, clear causes, treatment for the cause.