Background: early 18 months of life characterized by the most rapid growth and development and mainly affected by mother behavior and traits Objectives: to promote child    development  to  improve  the quality of life for our children in the future through  assessment of  child  development  in  the  first  eighteen  months  of  life, to identify  factors  affecting  early  childhood development. Subjects and Methods: cross section study takes infant from birth to 18 month, attending Family Unit at Kafr Mohamed Ismail, Fakous, Sharkia governorate. Sample size 140 infant, using structured growth and development sheet and structured mother's interview. Result: The  study found that male children retardation were 13.2%and female children  retardation were 15.3%, artificially feed children were 100% retarded , low social class children were  100% retarded, children of illiterate mother 100% were retarded  , Breast feeding, rapid response to child needs when  crying, stimulating activities during  feeding  the child and  giving different types of  toys    are  factors  having  good impact  on child development with significant difference. Conclusion: Program  for  early  detection  of  developmental  delay    through screening  of  children  attending  PHC  and  family  medicine  units are important to assess development risk factor and   Maternal  stimulation  for  promoting  early  child development through better attachment and communication with infants.