If all the tests in the hospital are fine, but there is still mucus in the stool, consider whether it is related to bad lifestyle habits and psychological factors.
Drink plenty of water every day.
Eat foods or drinks rich in probiotics, such as bifidobacteria and lactobacilli, as appropriate.
Eat a light diet with a good mix of meat and vegetables, eat regularly and avoid overeating and spicy stimulating foods.
Stay up less, take rest, be active and avoid alcohol and smoking.