One year old babies’ developmental delays include not being able to follow and learn to vocalize, not being able to stand with support, and not being able to pinch things with two fingers. 1. Won’t follow to learn to vocalize: If a one-year-old baby doesn’t follow to vocalize, it may be caused by developmental delay. Parents should pay attention, need to take the child to the hospital to do the relevant examination, timely and appropriate measures to improve and increase nutritional intake, eat more nutritious food. 2. won’t help stand: a one-year-old baby can’t help stand, may be caused by the baby’s bone dysplasia. It is best to take the baby to the hospital as soon as possible to do the relevant examination, do not let the baby’s development lag behind their peers, otherwise it will affect the normal growth of the child and normal life in the future. 3. won’t pinch things with two fingers: if parents find that the child can’t pinch things with two fingers, it means that the child’s development is delayed, parents must pay attention to it, and take the child to the hospital to do a growth and development assessment. If you find a one-year-old baby developmental delay should go to the hospital in time for examination and treatment under the guidance of the doctor.