The study aimed to identify the causes of early marriage for the children, his methods, and identify his effects. to determine the relationship between the age of the respondents at marriage,  the Attitude of respondents toward early marriage for the daughter / son and the demographic, economic and social variables. To Determine the relationship between the application of the respondents to family Planning methods and the demographic, economic and social variables. to determine the respondents Application gap regarding the application of family Planning methods, according to different regions of the study. to identify the respondents application gap of family Planning methods and the degree of preference for these methods. The study was conducted depending on the social survey method in the villages of Kafr Abu Najm and Awlad Eiladawy in Sharkia governorate on a random sample of 223 units represens 5% of the total number of women in each village, and col-lected data using a questionnaire by personal interview, starting from April until late of June 2016, data were analyzed using frequencees and percentages, alpha Cronbach's coefficient, weighted mean, Pearson correlation coefficient, contingency coefficient, the expense of applied gap. The study found a range of resalts including: that early marriage percentage (less than 18 years) in the field study amounted to 36.3%, showing that about 43.5%, and 49.8% of the respondents have negative attitud and neutral about early marriage for girls, while more than half respondents have neutral attitud about early marriage for the son by 60.5%. and prove the existence of a significant relationship between the age of the respondents at marriage and variables: the number of years of education for the respondents, the number of years of education for the husband, the age at first birth, the suitable age of marriage for girls, the suitable age for boys, The attitud toward the planning of the process of reproduction. The results indicate existence of negative relationship between the age at marriage and variables: the number of children, number of pregnancies, satisfaction with the difference between couple for the girl, satisfaction with the difference between couple for their sons. The study also found that 94.2 % of respondents have neutral and positive attitude toward regulating the reproductive process, while shows that the highest percentage of respondents neutral and positive attitude toward reproductive process. The results indicate that 49.8 % of the respondents have negative attitude for preference and 49.3 % for the application and there are gap between the application of the respondents to the methods for family planning and the degree of preference for these methods.