Metabolic alkalosis is the result of excess alkali or insufficient acid. Generally, according to the principle of acid-base neutralization, either excess acid is consumed to neutralize excess alkali or excess alkali is excreted. Excretion of excess alkali requires excretion through the renal excretory system, and neutralization of excess acid depends on the respiratory system. Breathing is characterized by slow and shallow breathing, which can lead to carbon dioxide retention in the lungs and increase the partial pressure of carbon dioxide, so that the acid-base imbalance can be regulated. Of course, not only through breathing, our body has a very powerful function, acid-base imbalance can be regulated through the buffering of the blood system, but also the excretory system of the kidneys to regulate, here is only the respiratory aspect of a regulation. The respiratory aspect is to breathe shallow and slow to regulate metabolic alkalosis.