1.What is endocrinology? Endocrinology is a science that studies hormones and their related substances. 2.What are the signs and symptoms of endocrine system diseases? What are the most common diseases of the endocrine system? There are diabetes, hyperthyroidism, hypothyroidism, thyroid nodules, osteoporosis, pituitary tumor, secondary hypertension, Cushing’s syndrome, Addison’s syndrome, etc. 4.How to diagnose endocrine system diseases? First of all, you should go to the endocrinology department for consultation. The doctor will analyze what kind of hormone dysfunction state according to the clinical manifestations. Then relevant laboratory tests are performed to confirm. That is, qualitative diagnosis. Where do hormone disorders come from? Doctors need to find the source of hormone disorder by asking medical history, physical examination, taking blood for hormone level and imaging examination. This is also known as local diagnosis. Some tests can be done on an outpatient basis, while others are demanding and require hospitalization. 5.What are the signs and symptoms of endocrine system diseases? Obesity and emaciation, bone pain and hairiness, purple skin, acne, hyperpigmentation, protruding eyes, lactation, short stature, hypertrophy and polyhydramnios, etc. 6.What are the most common diseases of the endocrine system? There are diabetes, hyperthyroidism, hypothyroidism, thyroid nodules, osteoporosis, pituitary tumor, secondary hypertension, Cushing’s syndrome, Addison’s syndrome, etc. 7.How to diagnose endocrine system diseases? First of all, you should go to the endocrinology department for consultation. The doctor analyzes what kind of hormone dysfunctional state it is according to the clinical manifestations. Then relevant laboratory tests are performed to confirm. That is, qualitative diagnosis. Where do hormone disorders come from? Doctors need to find the source of hormone disorder by asking medical history, physical examination, taking blood for hormone level and imaging examination. This is also known as local diagnosis. Some tests can be done on an outpatient basis, while others are demanding and require hospitalization.