High body temperature is defined as a temperature higher than 37.3°C when the body temperature is measured in the armpit, the body temperature is usually high due to the following factors: 1. The most common factor is infectious, when the body is infected by bacteria, viruses, fungi or other pathogenic microorganisms, such as mycoplasma and chlamydia, there will be high body temperature, which is caused by endogenous pyrogenic sources of endotoxic reactions, when there will also be High body temperature is also associated with non-infectious factors, such as connective tissue diseases, immune diseases and metabolic diseases, such as hyperthyroidism, hyperadrenocorticism, or connective tissue diseases, such as dermatomyositis, systemic lupus erythematosus, dry syndrome, etc. 3. High body temperature is also associated with Some endocrine states are related, such as women’s body temperature will be 0.1-0.3℃ higher than normal during ovulation, and women’s menopause will also have a transient increase in body temperature due to the imbalance of estrogen and progesterone secretion.