14 months of the baby, its intellectual performance is divided into social behavior performance, memory performance, thinking and imagination performance and other aspects, can appear love to play games, a short period of time certain scenes and things began to have a reoccurring memory and other manifestations. 1. Social behavior: social smile to familiar people, games, etc., and laugh, cry and other behaviors to express emotions, like to look in the mirror, play hide-and-seek games, and gradually learn to adapt to the separation from parents. 2. memory performance: memory is an important psychological process. 14 months baby has gradually have the scene reproduces the memory ability, with the age, reproduces the ability to enhance. 3-year-old children can reproduce a few weeks ago. 3. Thinking and imagination performance: 14 months baby has begun to have the germ of imagination ability, to recreate the imagination, such as the mother and other words will have an imaginary picture; 14 months baby gradually began to think but to the most elementary image of thought is given priority to. There are individual differences in children’s growth and development, continuous observation is recommended, the above performance can only be used as a reference, not as a diagnostic criterion for abnormality; suspected mental retardation and other conditions, it is recommended to go to the hospital in a timely manner for consultation.