It is a natural competition of plant and pathogen, but if farmer is not known himself about profit and loss. These Profit and loss are arisen a word crop management practices. Management are given different meaning likes, soil fertility management, water management, weed management, insect management, disease management & post harvest management. Before applying of the plant disease management strategy, it is requiring the information about etiology of pathogen, disease symptoms, mode of spread of plant disease, epidemiology of plant diseases, are known about it. If, a farmers is not have any knowledge about scientific method of plant disease management, he is not able to effective manage the disease. For a successful management of plant disease, most important is that utilization of all above information. Method of disease management varies from one disease to another depending upon the type of pathogen, host and abiotic or biotic factors involved. We are lighting few information about plant disease development, factors producing disease and different management practices.