Constipation with dry stools one grain at a time is caused by bad dietary habits, hemorrhoids, intestinal tumors, etc. It can be relieved by changing bad dietary habits, oral lactulose and other medications, and surgery. 1. Bad dietary habits: too little food intake or too much fine food intake can lead to small stool volume and dry stools, which can be relieved by consuming enough water and increasing the intake of dietary fiber foods. 2. Hemorrhoids: hemorrhoids patients with severe conditions, severe pain during defecation, resulting in patients do not dare to defecate, long-term holding stools, constipation and dry stools, can take lactulose to assist in defecation, to maintain smooth stools, but suffering from galactosemia, acute abdominal pain, lactulose and its components of allergy is prohibited. 3. Intestinal tumors: intestinal tumors can cause intestinal obstruction and constipation when they increase in size and bulge out, generally need to take surgical treatment. There are many other causes of constipation and dry stool, it is recommended to consult a doctor in time, improve the relevant examination, clarify the cause of the disease, and actively treat under the guidance of the doctor, do not self-medication, so as not to cause adverse reactions.