According to check weather.com, Jiangmian use warm water and noodles, the reason is: Jiangmian's viscosity is relatively poor and dissolves in water, directly using cold water will lead to difficulty in molding the dough, if you use warm water, the warm water can help Jiangmian to improve the viscosity, so as to make the dough is also more delicious.

Jiangmi noodles are a kind of pasta made from jiangmi, also known as glutinous rice, a grain rich in carbohydrates and proteins. The nutritional value of Jiangmian noodles includes: carbohydrates, proteins, minerals, vitamins.