Sex ratio is defined as the number of females per 1,000 male populations. It is an important determinant which indicates the composition of population, quality of life, levels of development and level of participation in different economic activities of males or females of a particular region. In 2001 sex ratio in India was 933 which become 940 in 2011. On the other hand, child sex ratio was 927 in 2001 which has declined 919 in 2011. While in West Bengal general sex ratio has increased from 934 in 2001 to 950 in 2011. While the child sex ratio of West Bengal has declined from 960 in 2001 to 955 in 2011. This paper is an attempt to analyze the trends and spatial pattern of general sex ratio as well as child sex ratio and find out its impact in the society of West Bengal.