When performing bowel movements, some patients have alternating formed and unformed stools, mostly due to the following reasons: 1, gastrointestinal dysfunction. The patient’s intestinal tract dysfunction, imbalance of flora, will easily cause the situation of unformed stool, patients need to timely gastroscopy, pay more attention to diet. 2, unclean diet. The patient needs to undergo gastroscopy promptly and pay more attention to the diet. Diet is not regular, often too hungry or too full, eat too much undigested food, will also cause gastrointestinal power, resulting in food stagnation in the intestinal tract, resulting in the situation of alternating unshaped and shaped stools, serious patients will also appear diluted condition.