The bachelor thesis "Methodological processing: Coffee and its effects on the human body" consists of two parts. The first theoretical part deals with the history of coffee - where was coffee discovered and who discovered it. It describes the coffee plant. Which climate is coffee grown in. What way is commonly used to grow it. What are the plant body and fruits like. What ways is coffee harvested and how is coffee further processed. The thesis deals with drying, roasting and grinding coffee. It is explained, how coffee is exported and what the various types of exported coffee are called. This thesis lists the types of coffee beans, the coffee preparation and its degustation. The thesis deals with countries that export coffee. An important part of this work is the effect of coffee on the human body. The second practical part is based on a research that is concerned with coffee and several interviewed people. The research is processed using written questionnaires, which are subsequently evaluated.