Soda ash is often eaten in our daily life, pasta auxiliary ingredients, normal consumption of a certain amount of soda ash is not harmful to the body, but do not overdose, easy to lead to some of the vitamin deficiencies, triggering indigestion and so on. Soda ash is generally used in noodles and steamed bread and flour and other food, appropriate to add some soda ash, can increase the taste of food, help fermentation. And alkali has a certain effect of neutralizing stomach acid, chronic gastritis, stomach acid secretion of people eating alkaline noodles can neutralize part of the stomach acid, so that the stomach acid reflux symptoms to reduce. Excessive consumption of alkaline food may cause a deficiency of B vitamins such as B₁ and B₂ in the body, because water-soluble vitamins are easily deactivated in alkaline environments, and excessive consumption of alkaline food in severe cases may cause indigestion. Facial alkali belongs to the food sparing agent eat as little as possible to avoid the impact on the body, if excessive consumption of toxicity, it is recommended to go to the hospital in a timely manner to give formal treatment.