Objective:To analyze the characteristics and development of auditory skill for infants with different age before and after cochlear implantation by using infant-toddler meaningful auditory integration scale (IT-MAIS) questionnaire, and provide the useful information for the criteria of candidacy for cochlear implantation in infants and habilitation after cochlear implantation.

Study on norms of Bayley Scales of Infant Development and the country in Shanxi province

Cohort study on effects of antenatal and postnatal lead exposure on infants developmental quotient;

Effects of early education on the temperament and intelligence development in infants;

Controlling therapy with low dose pingyangmycin for infants with parotid gland hemangiomas;