Aluminum, the third most abundant element in nature, makes up about 8% of the earth's crust. It is extremely reactive and may mix with other elements to form beneficial compounds. Aluminum is used in aerospace, medicine, food packaging, ceramics, automotive, and construction industries. A special form, aluminum target, is used in thin film deposition for fuel cells, glass coating, decoration, semiconductors, displays, LED, and photovoltaic devices. This article explores six common applications of aluminum in everyday life.