Stool head dry hard and then soft may be not timely stool, intestinal peristalsis is too slow, intestinal sensitivity is weakened and other reasons, need to be specifically analyzed. 1. Failure to have timely bowel movement: If you do not have timely bowel movement when you have the urge to have a bowel movement, resulting in excessive absorption of water in the intestine, there may be water reabsorption, resulting in dry stools, mainly dry and hard at the head of the situation. 2. Intestinal peristalsis is too slow: if the usual exercise is too little, or the level of progesterone in pregnant women is too high, it will cause intestinal peristalsis to slow down, and the water is absorbed too much, which will lead to the situation that the front end of the stool is hard. 3. Weakened intestinal sensitivity: the elderly’s reduced neural sensitivity, may not be able to produce timely stool, will make the feces in the intestinal tract to stay too long, resulting in excessive absorption of water, manifested in the front of the stool is hard. If there is a long-term situation of dry and hard stools, you can not rule out indigestion and other reasons, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor to carry out standardized treatment to promote the alleviation of the condition.