Always having diarrhea is not necessarily a harbinger of disease, it may be physiological factors such as improper diet, or pathological factors such as irritable bowel syndrome, inflammatory bowel disease, gastrointestinal tumors. 1. Physiological factors: If the patient has recently binge drinking, alcoholism or eating a lot of cold, spicy and other stimulating food and other bad dietary behavior, it may produce stimulation of the gastrointestinal tract, resulting in always diarrhea. Certain drugs have a certain degree of irritation to the intestinal tract, may also lead to diarrhea. 2. Pathological factors: mainly gastrointestinal diseases, such as irritable bowel syndrome, inflammatory bowel disease, acute gastroenteritis, food poisoning, intestinal flora imbalance, gastrointestinal tumors, etc., may lead to patients with digestion, absorption and peristaltic function abnormalities, resulting in constant diarrhea. At this time, patients may also be accompanied by abdominal pain and bloating, nausea and vomiting, loss of appetite and other uncomfortable symptoms. If the patient has long-term or repeated presence of constant diarrhea, it is recommended to seek timely medical treatment to identify the cause of the disease and carry out targeted treatment to avoid delaying the condition.