One year old baby frequent night waking up may be physiological factors, may also be the manifestation of certain diseases, such as gastrointestinal flatulence, vitamin D deficiency rickets, etc., should be timely consultation to identify the cause. 1. Physiological factors: if the one-year-old baby sleeping environment is too noisy, noisy, or the indoor temperature is too high, or too low, it is also easy to cause discomfort in the baby, which in turn leads to frequent night waking. 2. Pathological factors: (1) gastrointestinal flatulence: mainly due to the one-year-old baby’s own digestive system is not yet fully developed, its digestive function is not yet perfect, if the baby’s diet is not regular, overeating occurs, it may lead to eating food accumulates in the stomach, if not digested in a timely manner, absorbed, may lead to gastrointestinal flatulence, which is prone to cause the baby to appear frequent night waking situation. (2) Vitamin D deficiency rickets: may be associated with insufficient sunlight exposure, or the baby’s rapid growth and development, resulting in insufficient calcium content in the body and other factors, which leads to frequent night waking of the baby. It is recommended to exclude the influence of physiological factors, take the child to the hospital to check the cause of the disease, according to the condition to take targeted treatment to treat.