Left adrenal hyperplasia may be caused by hypothalamic pituitary lesions, but can also be seen in adrenal adenomas and other diseases, and patients may also have endocrine disorders such as Cushing’s syndrome. Hypothalamic pituitary disorders, occupations, infections, and inflammation may lead to adrenal hyperplasia. The adrenal gland itself may also have pathological hyperplasia, such as adrenal adenoma, adrenal adenocarcinoma, etc. The patient may also have some endocrine metabolic disorders, such as Cushing’s syndrome caused by corset disease, which manifests itself as full-moon face, buffalo back, and centripetal obesity. If abnormal aldosterone secretion occurs, symptoms such as hypertension and hypokalemia will appear. The appearance of left adrenal hyperplasia, it is recommended that patients go to the hospital in a timely manner to consult the examination, to clarify the specific causes of the disease, under the guidance of the doctor for targeted treatment.