The white particles on the top of the baby’s nose are usually milia, but they may also be caused by disease factors, such as anaplastic nevus or vitiligo, etc. The white particles on the top of the baby’s nose are usually milia. 1. Cornuella: small baby metabolism is relatively strong, sebaceous gland secretion more, if the secretion of the sebaceous gland is not discharged in a timely manner, it is easy to silt in the surface of the skin, thus forming white particles, usually belong to the normal physiological phenomenon, do not need special treatment, with the growth and development of infants, will gradually be improved. 2. Disease factors: If the white particles on the baby’s nose is large, and will gradually increase with the baby’s growth and development, it may be caused by disease factors, such as nevus pigmentosus or vitiligo. If there is a gradual increase of white particles on the baby’s nose, it is necessary to go to the regular hospital in a timely manner, in accordance with the doctor’s advice to use the appropriate solution, parents do not take the initiative to deal with, so as not to cause adverse effects.