Two-year-old baby love to hit, may be ADHD, may not be ADHD, according to other performance comprehensive judgment. 1. is ADHD: ADHD is a common mental behavioral disorder in childhood, also called attention deficit syndrome, the main manifestation is that there will be attention deficits, in addition to excessive activity and emotional behavior impulsive performance, there will be a love of hitting, there are usually learning difficulties, neurodevelopmental abnormalities and other manifestations. 2. not ADHD: if the two-year-old baby simply love to hit, may also be a normal phenomenon, because the two-year-old baby is still relatively small, self-control is still relatively poor, may be in anger will be manifested as love to hit, in addition, if the family has the habit of hitting, the baby will also imitate the love to hit, this situation is usually not accompanied by neurodevelopmental abnormalities and attention deficit. This condition is usually not accompanied by neurodevelopmental abnormalities and attention deficits, etc. It is not possible to judge whether a two-year-old baby has ADHD based on the symptom of hitting, and it is recommended to go to the hospital for a clear diagnosis of intelligence testing, clinical rating scale testing, and so on.