1. When glutinous rice is boiled, it will produce a starch film on the wall of the pot, which can prevent rust.

2. It can prolong the service life of the pot, and it is not easy to seep water and get tea stains. Iron pot, also known as iron bottle, is a vessel used for frying tea and boiling water. The teapot is made of pig iron, adopting traditional casting technology and hand-polished in the later stage, which has both health care, ornamental and collection value.