Redness at the base of the thigh in babies can be cared for and treated by general treatment and medication. There are many causes of baby thigh root redness, such as allergies, local friction, suffering from dermatitis, eczema, ringworm and other skin diseases. 1. General treatment: usually should give the baby to wear loose and comfortable clothes, to avoid clothes too tight friction, in the baby after the discharge of large, urine should be timely with warm water to wash the local, to maintain local cleanliness and hygiene dry; at the same time the baby’s diaper or diaper should be changed in a timely manner, with the changes in the weather in a timely manner to increase or decrease the clothing. 2. medication: if due to dermatitis or eczema causes, can be under the guidance of a physician to apply Qiang Yue cream, damphenol ointment and other drugs for local application; if due to ringworm caused by the application of tretinoin ointment, miconazole nitrate ointment or terbinafine hydrochloride ointment for local application. Parents should take their babies to the hospital in time to get a clear diagnosis of the cause of the disease and then carry out targeted treatment. The above medications should be used in accordance with medical advice.