Blue Sister Beer originated in Fensburg, a small town in northern Germany at the beginning of the 20th century. It was brewed with traditional German technology and excellent brewing technology, and has a history of 100 years. Blue Girl Beer, with its transparent gold package, pure taste and golden color, was brought to Tsingtao, the hometown of beer in China, by Jebsen Foreign Firm as early as the beginning of this century, and it became popular for a while, and was favored by beer lovers.