Three-year-old children still can not speak may be physiological, may also be pathological; physiological attention to guide the communication can be slow to improve, pathological, such as hearing impairment, cerebral nerve damage, etc., need to consult a doctor in a timely manner, standardized treatment. 1. Physiological: due to individual differences, some children’s language center development is late, but normal intelligence, is a normal physiological performance. Parents should pay more attention to guidance, encourage children to repeat simple words, and create a language environment for children, which can improve the situation of non-speaking. 2. Hearing impairment: children in a noisy environment for a long time, fever treatment is not timely, congenital deafness can cause the child does not speak, parents should take their children to the doctor in time, do the relevant examination, if necessary, can be implanted with cochlear implants. 3. Cerebral nerve injury: Cerebral nerve injury may cause cerebral palsy, and in severe cases, there will be mental retardation, hearing loss, epilepsy and other symptoms. Parents should seek medical treatment as soon as possible, and take medication and hyperoxia treatment under the guidance of doctors, such as vitamin B1, methylcobalamin, etc. In daily life, rehabilitation training can be done. In daily life, rehabilitation training can be done to guide the speech. Three-year-old children still can not speak, excluding physiological factors, need to consult a doctor in a timely manner, under the guidance of a professional doctor to take appropriate measures; the above drugs need to be taken under the guidance of a professional doctor, to avoid taking them privately, so as to avoid causing harm to the child.