My daughter suffer from fever every 20-25 days

A. that's due to low immunity. give immunity booster food substance like-Eggs, youghrt, spinach, nuts like almond, wallnut, sunflower seeds, apple, and all seasonal fruits and vegetables and , oats, garlic, carrot, broccoli, butter, beans , mint juice, milk and milk products.. Maintain proper hygine and educated your kid for hand washing.