Rice noodle, is the use of high-quality rice through the fermentation, grinding, clarification and filtering, steaming powder, extrusion, cooking and other processes and become thread-like. Rice noodles are long, thin, white, pliable, and can be eaten in a variety of ways. Yunnan rice noodles can be divided into two categories, one is made of rice after fermentation and grinding, commonly known as "sour paste rice noodles", complex process, long production cycle. Characteristics: rice noodle tendons good, smooth and sweet, with the fragrance of rice, is the traditional production method. Another type of rice flour directly into the machine after grinding extrusion molding, friction by the heat of the rice paste molding, known as "dry pulp rice noodles". After drying, it is called "dry rice noodle", which is easy to carry and store. It is easy to carry and store. When eating it, it is steamed and boiled again. Dry pulp rice noodles tendons hard, bite, line long, but lack of rice flavor."