The urge to go to the toilet after eating and drinking more water is considered to be related to physiological factors or diseases such as irritable bowel syndrome and chronic cystitis. It is recommended to relieve the symptoms through general treatment or medication. 1. Physiological factors: If the patient has no other accompanying symptoms, the above phenomenon is mostly physiological. The stimulation of food can prompt the speed of intestinal peristalsis to accelerate the downward movement of stool in the intestinal tract to trigger the urge to have a bowel movement. Drinking a lot of water can increase the amount of urine in the bladder and trigger the urge to urinate. No special treatment is recommended for the above conditions, and patients can develop the habit of eating a light diet and small meals. 2. Irritable Bowel Syndrome (IBS): If patients are prone to recurring abdominal pain, diarrhea, constipation, mucus stools, loss of appetite, etc., they should consider suffering from irritable bowel syndrome (IBS). Eating and drinking a lot of water will stimulate the sensitive nerves of the intestinal tract, causing the patient to produce the urge to go to the toilet triggered by the symptoms. It is recommended to use glutamine tablets and other nutritive nerve drugs, belladonna tablets and other antispasmodic pain medication, mosapride and other gastrointestinal tract power drugs and bifidobacteria and other probiotic drugs to regulate; 3. Chronic cystitis: for the recurrence of frequent urination, urinary urgency, urinary pain symptoms of the crowd, most consider suffering from chronic cystitis. Drinking a lot of water after meals can lead to increased pressure in the bladder, which in turn stimulates the damaged bladder mucosa triggering the patient to go to the toilet to urinate. Frequent urination can also be caused by other reasons, if the symptoms continue to be unrelieved, it is recommended to consult a doctor under the guidance of a clear cause and targeted treatment, do not take medication, so as not to delay the condition.