Your situation might be alopecia areata. Consider using mugwort decoction for fumigation and washing, and apply thinly sliced ginger to the scalp, ensuring it feels slightly warm to the touch. Children have weaker immune systems, making them more susceptible to pediatric general surgery issues. For parents, don’t panic. It’s important to take your child to a professional hospital for examination and treatment promptly, and to conduct regular checks while following the doctor’s advice on medication.