1 Apple is recognized as the most healthful fruit in the world. Apple is rich in nutrients, including protein, complex carbohydrates and dietary fiber, as well as a variety of vitamins and mineral elements. Western proverb: "An apple a day keeps the doctor away." It can be seen that people attach importance to apple. Apples are rich in fiber, which is enough to supplement human needs. In addition to increasing satiety and helping to lose weight, it can also promote gastrointestinal peristalsis, increase fecal volume, make it soft and easy to discharge, and reduce constipation and colorectal cancer. Apples are rich in apple pectin, potassium which can prevent cholesterol from rising and sodium which can lower blood pressure. It is a high-quality and high-potassium food. Eating 1-3 apples a day can effectively prevent cholesterol from rising, help lower blood pressure, and reduce blood sugar content and heart disease. People who sit in front of the computer for a long time should eat more apples. They can combine with radioactive elements in the body and be excreted, which has the health-preserving function of reducing the incidence of cancer. Eating more apples also helps to prevent acne and age spots. Zinc contained in apples can promote brain development and enhance memory, so it is also called "the fruit of memory". Eating regularly can also increase heme and prevent anemia. Pomegranate Pomegranate originated in the Western Regions and was introduced to China in the Han Dynasty. It is full of treasures and is known as "a wonderful fruit in the world and a famous fruit in Kyushu". Its fruit is rich in essential carbohydrates, protein, various amino acids, trace elements and vitamins. Traditional Chinese medicine believes that pomegranate is warm and astringent, sweet and sour, non-toxic, moistening dryness and astringent, and has health care effects such as promoting fluid production to quench thirst, invigorating spleen and regulating stomach, lowering blood pressure and stopping diarrhea, and expelling worms. Pomegranate can also inhibit influenza virus. Pomegranate is rich in antioxidants, which has the health care functions of delaying aging, preventing heart disease, slowing down the cancer process, lowering blood lipid and so on. Pomegranate also contains estrogen, which is effective for female climacteric syndrome, osteoporosis and other diseases. Drinking pomegranate juice for a long time can improve some chronic diseases, especially for symptoms such as shoulder pain and eye fatigue. In Iran, the origin of pomegranate, it has been included in the diet, and the proportion of people suffering from gastric cancer and intestinal cancer is low. Pear is cold and sweet, and has the functions of promoting fluid production to quench thirst, relieving cough and resolving phlegm, clearing away heat and reducing fire, nourishing blood and promoting granulation, moistening lung and removing dryness, and is suitable for patients with fever and internal heat in autumn and winter. It is especially suitable for cough due to lung heat, wind-heat in children, dry throat and sore throat, and dry stool. Pears also have the effects of lowering blood pressure, nourishing yin and clearing heat. Patients with hypertension, heart disease and liver cirrhosis often eat some pears, which is of great benefit. It can promote appetite, help digestion, have diuretic, laxative and antipyretic effects, and can be used to supplement water and nutrition during high fever. Ripe pears help the kidneys excrete uric acid and prevent gout, rheumatism and arthritis. Has the effects of moistening dryness, expelling pathogenic wind, sobering up and detoxicating. When the climate is dry in autumn, people often feel itchy skin, dry mouth and nose, and sometimes dry cough with little phlegm. Eating 1-2 pears a day can clear the throat and reduce fire, increase body fluid in the mouth and maintain the throat. Pears are cool, so don't eat too much at a time. People with spleen and stomach deficiency and fever should not eat pears raw, but cut them into pieces and take them with boiling water. 4 Oranges Oranges are rich in vitamin C and niacin, which can reduce blood lipids and cholesterol in the human body. In addition to providing vitamins A and C needed by human body, oranges also have an acidic substance called "citric acid", which can prevent arteriosclerosis and relieve fatigue, and can keep young if eaten frequently. Hesperidin contained in orange peel can inhibit cancer of liver, esophagus, large intestine and skin. As far as the nutritional value of oranges is concerned, vitamin C and citric acid are the most abundant, which have the functions of beautifying and eliminating fatigue. If you eat the thin skin of oranges together, in addition to vitamin C, you can also take dietary fiber (pectin), which can promote defecation and lower cholesterol. Although oranges have the function of warming the stomach and relieving cough, we should avoid eating too much to avoid getting angry. Oranges should not be eaten with milk, radish, cucumber and animal liver. The stomach acid concentration of people with gastric ulcer will increase after eating, which is not suitable for eating.