Babies generally start to learn to sit at the age of six months after birth, and generally sit relatively stable at more than six months. Sitting is the developmental milestone of the baby’s big movement during the development process, so parents should pay attention to when the baby will sit. Sitting is related to the age of months. Generally, babies start to learn to sit around six months old. At this time, the baby’s body will lean forward slightly, and the upper limbs will play a supporting role. With the gradual extension of the baby’s sitting time, there are more and more opportunities to sit. The baby gradually grows up to be able to sit alone and is relatively stable. Generally, it should be able to sit alone more stable after more than six months. Sit here and play by yourself. If the baby is a premature baby, it is usually measured by the corrected month age, and it is generally measured by the corrected month age to six years old to be able to sit alone. Therefore, parents should pay attention to a milestone in the development of sitting babies. Generally, babies start to sit alone around the age of six.