6 and a half months of the baby can be improved through the appropriate addition of complementary foods, abdominal massage, develop good bowel habits and other methods. 1. Appropriate addition of complementary foods: 6 months and a half of the baby can increase the diet of fresh vegetables, fruit intake, such as adding puree, vegetable puree as a complementary food, can increase the absorption of crude fiber, is conducive to digestion, lubrication of intestinal tract, reduce the symptoms of constipation. 2. Abdominal massage: you can gently massage the abdomen, the direction of the baby to prevail in the clockwise direction, to promote intestinal peristalsis, relieve constipation. 3. Develop good defecation habits: Help your baby to develop the habit of regular defecation to prevent the accumulation of feces in the intestinal tract, resulting in dry feces, causing constipation. If your baby is constipated for a long time, you need to go to the hospital and take medication, such as probiotics (Bacillus subtilis bacillus), under the guidance of a professional doctor. Or use other methods of treatment as prescribed by the doctor.