The baby’s unformed stool may be due to gastrointestinal imperfection, improper diet, cold, infection, can be dealt with by adjusting the diet and drugs. 1, gastrointestinal imperfection: young babies can be due to gastrointestinal function is not well developed, digestive enzyme activity is low resulting in unformed stool, this situation is a normal physiological phenomenon. Can take appropriate probiotics to regulate intestinal flora, such as bifidobacteria, Bacillus subtilis dibacterium, etc.; 2, improper diet: overeating, unclean diet, or eating spicy and stimulating food, can stimulate the gastrointestinal mucosa, resulting in unformed stool. Can be alleviated by adjusting the diet, the baby should eat light, easy to digest food, avoid eating chili, ginger, garlic and other foods, at the same time should eat less and more meals, pay attention to dietary hygiene; 3, cold: baby abdominal cold can lead to intestinal dysfunction, which causes unformed stools. Can be relieved by warmth, such as the use of warm towels or increase clothing; 4, infection: if the baby uses unsterilized bottles or eat food infected by bacteria, viruses, etc., can cause infectious diarrhea, resulting in unformed stools. This situation should promptly go to the hospital, clear the cause of symptomatic treatment. Anti-inflammatory and anti-viral drugs can be used as prescribed by the doctor.