Some pregnant women feel more thirsty after pregnancy. After pregnancy, the metabolic rate in the body is accelerated and the water metabolism in the body is also faster, so it is easy to feel thirsty. In Chinese medicine theory, most pregnant women will have symptoms of yin deficiency and fire after pregnancy due to yin and blood gathering down to nourish the fetus, manifested as dry mouth, emotional irritability, constipation and other symptoms, which will lead to thirst symptoms, and some pregnant women will have thirst symptoms due to the amount of food and water intake and insufficient blood volume in the body in response to pregnancy. Pathological conditions such as gestational diabetes, pregnant women will also experience thirst. It is recommended that pregnant women eat less and more meals, eat more fresh vegetables and appropriate amount of fruits to improve thirst symptoms.