Heartburn in early pregnancy can be treated with a light diet and antacid medication such as sodium bicarbonate. Heartburn in early pregnancy generally belongs to the early pregnancy reaction, is due to the body’s hormone levels rise, affecting the secretion of gastric acid and so on, belongs to a physiological phenomenon. First of all, pregnant women need to correctly recognize the early pregnancy reaction, do not be overly nervous, pay attention to rest, maintain sufficient sleep and calm mood. Secondly, it is suitable for light and nutritional balanced diet, eat less and more meals, avoid eating greasy and thick, cold and spicy stimulating food, reduce the stimulation of food on the gastric mucosa, reduce gastric acid secretion. If necessary, supportive, nutritional and symptomatic treatments should be taken if the patient has acidosis. If the effect is not obvious after the above treatment, and the pregnant woman can hardly tolerate it, she can be treated with infusion of fluids to replenish energy and application of antacid drugs such as sodium bicarbonate. Acid heartburn in early pregnancy with severe symptoms or with too little food intake and weight loss must be seen promptly.