When a 1 to 2 month old baby has spilled milk or spit up, fold the towel 2 to 3 layers about 1 cm high as a pillow to prevent spitting up. Grow to three or four months, its cervical vertebrae began to bend forward, when sleeping pillow 1 ~ 2 cm high pillow. When learning to sit in July and August, the infant thoracic vertebrae began to bend backward, the shoulder also developed wider, when the pillow should be 3 ~ 4 cm high pillow. Pillow core texture should be soft, light, breathable, good moisture absorption. Baby metabolism, head sweating more, sleep easily wet pillow, sweat and dandruff mix easily make pathogenic microorganisms adhere to the pillow surface, very easy to induce facial eczema and scalp infection. Therefore, the pillow core should often be exposed to the sun, the pillowcase should be washed and changed often to keep clean.