1. Sweet potatoes are alkaline foods that can neutralize excess acid accumulated in the human body.

2. Sweet potatoes are rich in dietary fiber, which helps to smooth the intestines and relieve constipation.

3. The collagen and mucus polysaccharides in sweet potatoes can prevent arterial sclerosis, maintain blood vessel elasticity, and eliminate excess cholesterol.

4. The vitamin C content in sweet potatoes is high and not easily lost. As long as you eat about two hundred grams of sweet potatoes, you can provide your daily needs.