There are more reasons that cause the baby to lie down and shake his head, which can be broadly divided into physiological and pathological factors, the former including looking for the nipple, head sweat soaking, pillow too hard, overexcitement, etc., while the latter mainly includes skin diseases, lack of vitamin D, etc., which need to be dealt with according to specific reasons. A, physiological factors: 1, looking for the nipple: the baby may be hungry, by shaking his head left and right to find the nipple, after nursing, the baby shaking his head will disappear; 2, head sweat immersion: infants and young children’s nervous system development has not been perfect, metabolism is vigorous, the skin is delicate, head sweat glands dense, sweating, easy to stimulate the head skin, hair roots itchy, so that the baby by lying shaking his head Relieve itching. At this time, by adjusting the room temperature, replace the breathable pillow, the baby shaking his head will disappear; 3, the pillow is too hard: the use of hard pillows, such as cereals made pillow to the baby to sleep, the baby will be uncomfortable because of the head when sleeping, the performance of lying shaking head. At this time, by replacing the baby with a soft and comfortable pillow with the right height, the baby shaking his head will disappear; 4, over-excitement: If parents over-tease the child before the baby sleeps, it will make the baby’s brain in an excited state, so that the baby keeps shaking his head after lying down, so parents should avoid excessive play with the baby before the baby sleeps. Second, pathological factors 1, skin diseases: when the baby’s head prickly heat, eczema and other lesions, will make the baby appear itchy head symptoms, at this time the baby will shake his head by lying down, repeatedly rubbing the way to relieve itching. This situation will need to keep the head cool and dry, local can apply some clean anti-itch ointment, the symptoms are serious, you can also use some cream containing glucocorticoids for treatment; 2, lack of vitamin D: mostly occurs in the early stage of nutritional vitamin D deficiency rickets, at this time the baby will appear non-specific neuropsychiatric symptoms, such as irritability, irritability, sweating, sleep restlessness, night crying, etc. At the same time, the symptoms of lying down and shaking the head due to excessive sweating to stimulate the scalp. At this time, you should go to the hospital and take vitamin D, calcium, etc. for treatment under the guidance of a doctor.