If tachycardia appears on the electrocardiogram of pregnant women, you need to see what type it is. If it is sinus tachycardia, it can be generally improved through lifestyle adjustment, including avoiding emotional tension, excitement, staying up late, drinking or smoking, drinking strong tea and coffee, and maintaining adequate nutrition. Through the improvement of these lifestyles, tachycardia can return to normal. In fact, sinus tachycardia is mostly a normal reaction of the human body, not a problem of disease, nor will it affect cardiac ejection and function. Therefore, if sinus tachycardia occurs during pregnancy, there is no need to be nervous. If the above lifestyle measures are taken, there will be no problem.