The correct way to take Lactulose is to take it before meals, drink plenty of water and individualize the use of medication. 1. Take before meal: Lactulose is a kind of oligofructose, this kind of drug in the gastrointestinal tract usually will not be absorbed and digested, can continue to stimulate gastrointestinal peristalsis and change the intestinal osmolality, it is best to take before meal, so that there will be a better effect of laxative. 2. Drink more water: Lactulose can change the intestinal osmotic pressure, so that the water in the intestinal tract accumulation, to soften the stool, improve the effect of constipation, so after oral lactulose should drink more water. 3. Individualized medication: when taking lactulose to treat constipation and other diseases, the dose needs to be adjusted according to the patient’s specific situation, the ideal situation is to take the smallest dose for a long time, to be able to maintain the regularity of the stool and smooth. The above is the correct way to take lactulose, need to be taken regularly under the guidance of a doctor, and to eat more vegetables and fruits food, but also appropriate activities and exercise, so as to maintain normal stools and keep the body healthy.