The English name is tissue paper (can be abbreviated as tissue) in Chinese Pinyin (wèi shēng zhǐ), The toilet paper placed in the bathroom is called toilet paper, which is mainly used for people's daily hygiene. Therefore, the term used in the paper industry is usually called household paper, which is one of the indispensable paper types in people's lives. It has a single square shape, which is called square tissue or facial tissue, and it is rolled into a roller shape, which is called roll paper. They are usually made of cotton pulp, wood pulp, straw pulp, sugarcane pulp, mixed pulp, and waste paper pulp. Good quality toilet paper is made of virgin wood pulp. It is similar to the manufacturing process of ordinary paper, but it is required to be made extremely thin. Extremely fragile, the purpose of this is to rot when it encounters water, achieving the goal of environmental protection.