Hypoadrenocorticism can be chronic hypoadrenocorticism, secondary hypoadrenocorticism, etc. Chronic hypoadrenocorticism can be characterized by symptoms such as fatigue and dizziness, while secondary hypoadrenocorticism can be characterized by pale skin color and constipation. 1. Chronic hypoadrenocorticism: the onset of the disease is insidious, and there may be weakness, listlessness, loss of appetite, nausea, postural hypotension, etc. Skin and mucous membrane pigmentation is the characteristic manifestation of chronic primary hypoadrenocorticism. 2. Secondary hypoadrenocorticism: pale skin color; if accompanied by other anterior pituitary hypopituitarism, there may be hypogonadism and hypothyroidism, such as chills, amenorrhea, constipation, impotence, decreased libido and so on. When symptoms of hypopituitarism appear, it is recommended to go to the hospital and ask the doctor to make a judgment.