Women should check the following aspects when checking blood in early pregnancy: First, check whether the hormone levels in the blood are normal, such as estrogen, sex hormone, progesterone and luteinizing hormone, etc. These hormones can reflect the endocrine function of women, and if the endocrine function of women is hyper or hypo may lead to abnormal levels of these hormones, so by checking the hormone levels in the blood can reflect the Therefore, the blood hormone level can reflect a woman’s physical status. Second, check whether the antibody content, cytokines, immune cells and other substances in the blood are normal. By checking the content of these substances, we can indirectly determine whether the immune function of women is normal, so that we can predict the physical condition of women. Check the normal content of thyroid hormone, adrenocorticotropic hormone and glucocorticoid hormone in blood, which are related to the metabolism and nutrient absorption status of women.