According to Zubaike's data, a rolling pin is a cylindrical cooking tool, which is used to roll and squeeze plastic ingredients such as dough on a plane. China is a very old noodle pressing tool, which has been passed down to this day, mostly made of wood. It is an essential tool for making noodles, dumpling skins, wonton skins and flour cakes, and the noodles, dumpling skins, wonton skins and flour cakes are twisted to be thin. The size of the rolling pin can be determined according to the family population, and it should be greater than 600×400(mm). There are many kinds of rolling pins, including single walking stick, two-handed stick, olive stick, flower rolling pin and walking mallet. Rolling pins used in Henan: small-area dough such as dumpling skin and wonton skin is rolled with a small rolling pin with two pointed ends and a large rolling pin with the same diameter and thickness.