Baby 7 days no stool, only exhaust, there may be the following two causes: the first is physiological, is the abnormal intestinal peristalsis, and abnormal intestinal peristalsis from the following aspects to improve, the adjustment of diet, if the baby is relatively large, it is recommended to eat more fruits, vegetables, drink more water, to eat more coarse food, not too fine food. Also available to help its intestinal peristalsis, with the navel as the center, clockwise massage tummy, 15-30 minutes a day massage. If the effect of the above methods is still not obvious, you can properly eat probiotics to regulate intestinal flora, probiotics choose mamma love or small Pefikang. The second consideration is pathological, if the baby feels particularly uncomfortable and cries more obviously. It is recommended to go to the hospital for ultrasound examination to rule out the possibility of intestinal obstruction or intussusception.