Most people get nervous before a job interview.
After all, most likely you are interviewing for a job you really want and want to make the best possible impression. There are several ways to prepare for a job interview that will help to increase your chances of getting the job. Whenever possible, you should research the company with whom you are interviewing. To be aware of a company's background, mission statement, earnings, etc. shows that you did your homework. It shows the interviewer that you cared enough to do the research and also shows that you are proative.