Babies are restless for the following reasons: 1, lack of sleep can cause babies to be irritable, or cry more than one, babies are not very adaptable to unfamiliar environments, which can also cause agitation, crying and fussing, this situation should hold the baby more to observe the surrounding environment, slowly adapt; 2, in the case of babies do not have enough to eat, it can also cause agitation, crying more than one, prolonged crying will make the baby inhale a lot of Cool air, causing the baby’s indigestion; 3, the baby in the frightened, see unfamiliar people, no sense of security, will also be restless; 4, infants in the vaccination after the emergence of such a situation, because of individual vaccine components, resulting in the baby’s irritability is a normal reaction, parents more observation of the baby there are no other symptoms, such as eczema, diarrhea, buttock red, etc., if there is no obvious uncomfortable symptoms. Parents can be more soothing to the baby, talk to the baby, play, appropriate relaxation.