First of all, it is not recommended to eat yam raw. Raw yam tastes bad, and because raw yam mucus contains saponin and plant alkaloids, if these ingredients are directly contacted by the human body, it will cause itchy skin. Therefore, in daily life, it is recommended to eat it after cooking.

1. Yam is a kind of food with high nutritional value. This kind of food contains a lot of lecithin, which can improve human memory. Eating yam regularly can also play a role in strengthening the body.

2. Chinese yam can inhibit the activity of aging enzymes in the body and help the body age. At the same time, this food contains dopamine, which has many benefits to the human body.

3. The calories of yam are very low. This food is also rich in dietary fiber. Eating yam during weight loss can not only reduce calorie intake, but also help gastrointestinal motility and reduce the accumulation of subcutaneous fat.

4. Yam can also nourish the stomach. Mucin contained in yam has the function of lubricating and moistening. Proper intake of this food can protect the stomach.

5. Yam contains a lot of choline, which can help people to improve their memory, and is beneficial to prevent Alzheimer's disease.

6. Yam can also help digestion. This kind of food contains a lot of digestive enzymes such as starch glucoamylase and amylase, so eating yam can eliminate the symptoms of abdominal distension.