Endocrinology can effectively examine the human endocrine system, including pituitary, hypothalamus, thyroid, thymus and gonads, and can effectively measure their secretion indicators to clarify whether certain organs or functions are abnormal. Abnormalities in human endocrine secretion can bring about many adverse effects on the human body. Abnormalities in hypothalamic secretion can easily lead to pituitary tumors, gigantism or dwarfism. Abnormalities in the pituitary gland can lead to uremia or hypopituitarism. Abnormal thyroid secretion tends to cause the human body to develop hyperthyroidism or hypothyroidism. Abnormal thymus secretion may lead to abnormal secretion of certain antibodies, resulting in a decrease in body resistance. Abnormal secretion of gonads may lead to abnormal secretion of sex hormones and abnormal human sexual development. Endocrinology can effectively detect the endocrine status of the human body, and once abnormalities are detected, reasonable measures can be taken according to its condition.