Dry stool can be improved by taking oral lactulose oral solution and paraffin oil as prescribed by the doctor. Most of the dry stools are caused by improper diet, lack of water, lack of exercise and other factors, which will cause dry stools, difficult to defecate. 1. Lactulose Oral Liquid: Lactulose Oral Liquid is a laxative, which can stimulate intestinal peristalsis, soften feces, increase intestinal probiotics, and make stools smooth, and also restore the physiological rhythm of the colon, which can improve the dryness of stools, and difficulty in defecation. 2. paraffin oil: this drug is a liquid paraffin oil, oral laxative effect can be achieved, dry stool, due to disease can not force defecation patients, such as hypertension, heart failure patients can be used. But the specific use of drugs need to understand the causes of dry stools after the targeted use of drugs, avoid unauthorized use of drugs, and control the dose of drugs, drugs used in accordance with medical advice.