If you feel dry mouth during pregnancy and cannot be relieved by drinking more water, mainly because of endocrine factors, mental factors, low vitamin intake and gestational diabetes, you need to identify the causes in time and then carry out targeted treatment. 1. mental factors: when pregnant women are overly anxious and nervous, dry mouth can be triggered. Pregnant women should maintain a calm state of mind and avoid excessive tension and overwork; 2, pregnancy reactions: in addition to vomiting, nausea, drowsiness and other early pregnancy reactions during pregnancy, there will also be dry mouth, dizziness, tinnitus and other non-specific reactions, usually without special treatment, pregnant women can drink more warm water and eat more fresh fruits, such as oranges, apples, etc., to relieve the symptoms of dry mouth; 3, vitamin deficiency: the main lack of vitamin B2. Vitamin B2 can be consumed under the guidance of a doctor, and vitamin B2-rich foods such as offal and soybeans need to be eaten in daily life. 4. Gestational diabetes: mainly manifested as thirst, drinking and urination, it needs to be lowered through diet control and exercise therapy under the guidance of a doctor as soon as possible, and if necessary, insulin and other hypoglycemic drugs need to be applied. You also need to control your diet and reduce the intake of foods with high sugar content to keep your blood sugar within the normal range.