Patients with mild ulcerative colitis with constipation can be improved by general treatment and medication. 1. General treatment: patients should develop good dietary habits, try to light, easy to digest food, avoid eating spicy and stimulating food, drink more water to replenish water, to prevent electrolyte disorders, while patients should also develop good defecation habits, appropriate exercise. 2. Drug therapy: patients can take aminosalicylic acid preparations, such as mesalazine, etc.; osmotic laxatives, such as lactulose, etc.; pro-dynamic agents, such as mosapride, itopride, etc. for treatment under the guidance of the doctor. It is recommended that patients strictly follow the doctor’s instructions to use medication, actively cooperate with the doctor’s treatment, pay attention to monitoring the condition, once the condition worsens or other adverse reactions, should promptly seek medical attention.