Newborns face long red rash is considered to be the emergence of eczema, prickly heat, toddler rash, etc., need to be treated according to the type of disease symptomatic treatment, to care for the main, if necessary, can be taken to the drug treatment. 1. Eczema: newborn skin is relatively delicate, contact with irritating substances may induce eczema, you can generally use zinc oxide ointment, glycerite lotion and other medications to avoid aggravation of eczema. 2. Prickly heat: If you often give newborns overdressed or covered too thick may lead to prickly heat, generally do not need to use drugs to treat, usually need to adjust the room temperature, reduce clothing, to avoid high temperatures. 3. Emergency Rash: Some newborns with emergency rash may develop a long red rash, which usually lasts for about 3~5 days, and then gradually recover, basically without medication, and has a certain degree of self-limitation. The above symptoms are recommended to consult the hospital, the above drugs should be used under the guidance of a doctor.