Tinea capitis is a skin disease caused by fungal infection of the scalp skin or hair follicles. After contracting tinea capitis, it is necessary to follow a restricted diet. Firstly, avoid spicy and irritating foods, such as onions, ginger, and garlic, and refrain from smoking and drinking alcohol. Secondly, it is best to avoid foods that may exacerbate the condition, such as seafood, sea fish, shrimp, etc. Finally, it is recommended to adopt a light diet, consuming foods rich in vitamins and proteins, such as carrots, apples, pears, grapes, and green vegetables.