In the early stages of pregnancy, the symptoms of sweating are directly related to the increase in the level of estrogen and progesterone in the body and changes in the endocrine system, which are normal physiological phenomena, and may also be caused by nausea, vomiting, loss of appetite due to pregnancy reactions, resulting in malnutrition, hypotension, hypoglycemia, or directly related to the quality of sleep, indoor temperature and mental tension. It is directly related to the quality of sleep, room temperature and mental tension. First of all, during pregnancy, avoid mental tension and adjust your mind, keep the room temperature and humidity appropriate, if the pregnancy reaction is serious, you can choose to take vitamin B6 tablets to relieve the symptoms of nausea and vomiting. If you have anemia or lack of micronutrients, you need to take timely supplements and treatment, and regular review, iron deficiency anemia should eat more animal liver and foods rich in vitamin C.