Red rashes on the neck of infants are usually caused by eczema, prickly heat, etc., and can be improved by keeping the neck skin dry and clean, and topical medication. 1. Dry and clean skin: neck airtight, sweat caused by eczema, prickly heat and other common causes of infant neck rash, should be timely dry, keep the skin dry. 2. Topical medication: For babies with neck rashes, you can apply ointment to the baby, such as Qiang Yue cream, etc. This will help the baby’s rash to subside. This will help the baby’s rash to subside. When the baby neck rash, should be timely to the regular hospital, clear cause, pay attention to strengthen the care, usually keep the baby’s skin clean, wipe sweat in a timely manner. The above drugs need to be used under the guidance of a doctor.