This research paper focuses on “the class system and social conflict” of twentieth century English people in reference to D. H. Lawrence novel, ‘Sons and Lovers’. Here depicts 20^th century English society way of life and their sufferings and miseries due to the capitalistic and productive mode of England. Lawrence has a great impact of this class system towards himself and in his every novel he never failed to depict it in the lives of his characters. Here Paul Morel, who is one of the main characters of the novel portrays how he will never come out the bad effect of that system throughout his life.