The diaper needs to be replaced frequently, washed regularly, and sunburned. If the diaper is not changed in time, the baby skin is more likely to be affected by the irritation of urine and diaper with the irritation of urine and diaper. The effect of frequent washing and ironing is obvious. It can be used to remove residual urine and pollutants from the diaper, and it can also act as a disinfectant. Sunburn is to use ultraviolet ray in the sunlight to disinfect, it is better than to air dry, dry and so on.