Surgery for adenoid hypertrophy does not affect intelligence, but if adenoid hypertrophy continues to affect breathing, it may affect mental development. Enlarged adenoids can block the back of the nostrils and cause oxygen deprivation by interfering with the child’s ventilation. Prolonged hypoxia can cause hyperactivity and poor concentration, which can affect mental development. In addition, it may also cause facial deformities such as malocclusion and widening of the nasal cavity, which may affect the child’s facial development and lead to a poor image. If the treatment is ineffective by medication, try to take surgery to remove it, which is beneficial to the nasal passage. Adenoids are lymphoid organs of the human body, which develop to the maximum at the age of 2 to 4 years old, easily causing nasal blockage and other phenomena, and then will gradually shrink with age. In normal life, you need to closely observe the respiratory condition, once the nose does not breathe and other symptoms, you should consult the doctor in time to find out whether there is adenoid hypertrophy, to prevent delay in the condition.