2. Fat intake should not exceed 30% of total calories.
3. Eat less or not eat refined sugar foods such as sucrose and glucose.
4. Eat more foods rich in vitamin C, such as fruits, fresh vegetables and vegetable oils.
5. Eat less and foods with high fatty acid and cholesterol content, such as fat, egg yolk, animal oil and animal offal.
6. Diet should be high in potassium and low in sodium, and bean products and tea should be encouraged.
7. Eat regularly, not too hungry or too full.
8. Appropriate intake of cellulose food (including grain starch), keep the stool unobstructed.