The initial manifestation of coffee spots in infants is usually a light brown or dark brown rash, which is a bit like the color of coffee and milk mixed together, showing round or oval shape and different sizes, etc. Coffee spots are a kind of skin disease, usually caused by genetic factors. Coffee spot is a kind of skin disease, is a relatively common hyperpigmentation skin disease, usually caused by genetic factors, mostly occurring in the face or trunk cadres, usually the border is clearer, the surface is smoother, there will be different sizes, shapes, and other shapes of the patch, will increase with the age of the child, resulting in the plaque increase, usually avoid sun exposure, so as not to aggravate the color. It is recommended that patients with coffee spots should go to the hospital immediately for examination and actively cooperate with the treatment to avoid aggravation of the symptoms.