Redness of the baby’s neck, scientific name Erythema rubra. It is one of the most common types of cutaneous pseudohyphomycosis and is prevalent in newborns and younger infants. It can be treated with daily care, glycerite astringent, and topical topical medication. 1. Daily care, should strengthen the care and nutrition, improve the resistance, supplement vitamins, mainly vitamin B group; 2. Glycerite astringent: topical glycerite lotion can play a soothing and drying role. 3. Topical topical medication: severe generalized cutaneous pseudomycosis, can be applied topically with mycophenolic or amphotericin B solution. All of the above medications should be used under the guidance of a doctor to avoid self-medication. There may be other treatments for babies with erythema rubra. It is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.