Two-year-old babies who cry and don’t talk are considered to be related to language development delay and hearing impairment. 1. delayed language development: when part of the two-year-old baby language development delay, may be through crying to express their own dissatisfaction, thus manifested in the phenomenon of crying and not talking. 2. Hearing impairment: If the two-year-old baby due to head trauma, ear infections or poor living environment caused by hearing impairment, can be due to excessive anxiety and appear to be crying, hearing impairment caused by the phenomenon of not talking. Two-year-old babies cry and do not speak may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.