There are many processes in life that are taken on a daily basis. There are some common ones that we don’t even notice happen every day. One such process is evaporation. This paper also presents on evaporation. To study more about evaporation and other related concepts. It was focus on objective, factor affecting evaporation. The main characteristics, as well as the application of evaporation in pharmaceutical industry of each method are indicated. Evaporation is a process by which liquid water goes directly into the vapour phase due to an increase in temperature. The evaporation process is widely used to make drugs, especially in the pharmaceutical industry. We want to know that on which bases evaporation process effectively works and plays an important role in pharma industry as well as other industries.