A 2-month-old baby laughing on its own is generally normal, indicating that the child’s development is relatively good, do not worry too much. If the baby is well nourished and has normal development, the baby can laugh by itself at the age of 2 months. It may be some unconscious laugh or it may be in a happier mood, and there is no need to worry if there is no other abnormality. Each child’s development is different, some children will smile later, some children will be earlier, you can often interact with the child, such as hide and seek with the child, do some small actions to attract the child’s attention, interactive communication can also help the child’s brain development. It is recommended to do a good job of baby care, diligently give the baby sunshine, if the baby is not adapted to go to the hospital in time to seek medical attention.