The performance of metabolic alkalosis patients are as follows: 1, general performance: such as lips, hands and feet numbness or tingling, severe cases may be manifested as facial or limb convulsions; 2, tissue hypoxia performance: due to the increase in the affinity of hemoglobin and oxygen, resulting in the transport of oxygen to the tissues, it is not easy to release the oxygen from the hemoglobin, resulting in tissue hypoxia, the patient may be manifested as a headache, restlessness, delirium, or even convulsions or coma; 3, the original Pathogenic manifestations: for the cause of the corresponding symptoms, such as acid loss caused by excessive metabolic alkalosis patients, usually manifested as frequent vomiting. If the primary hypokalemia or hypercapnia, the patient manifests the clinical symptoms of hypokalemia or hypercapnia.