Take a rest after donating blood, and don't get up in a hurry. Press the puncture site with a cotton ball for about 5 minutes. If there is blue around the eye of the needle, it can fade gradually after two to three days of hot compress. On the second day after blood donation, you should pay attention to the cleanliness of the needle eye, preferably taking a shower to avoid dirty water polluting the needle eye and preventing infection. Eat some high-protein and digestible food within 3 days after blood donation to avoid overeating. Remember not to do strenuous exercise and pay attention to rest. Individuals who feel tired will soon disappear as long as they get enough sleep. Hello; Carotene containing iron is the best food for enriching blood. Some people think that eating vegetables often will lead to anemia. This is a wrong idea. Plant food not only contains nutrients such as iron and carotene, but also has the advantages of digestion and absorption. Many foods are rich in iron, such as auricularia auricula, laver, Nostoc flagelliforme, shepherd's purse, black sesame, lotus root starch and so on. The following are common blood-enriching foods: day lily, which has the largest iron content, 20 times higher than the familiar spinach, and is rich in iron. Other nutrients, such as vitamins A, B 1, C, protein, fat and colchicine, have diuretic and stomachic effects. Longan meat Longan meat is longan meat, which is a blessing meat. Every summer, fresh longan comes on the market. This is a well-known blood-enriching food among the people, because it is rich in iron, vitamins A, B, glucose and sucrose, and can treat insomnia such as forgetfulness, palpitation and neurasthenia. It is also a good blood-enriching food for postpartum women to eat longan soup, longan gum and longan wine. Salted dried radish is a kind of beneficial vegetable, which is rich in vitamin B and iron. Although it is salty and refreshing all year round, it has a unique flavor and rich nutrition, and its iron content exceeds that of all foods except day lily. Black beans In ancient China, it has always been thought that eating beans is beneficial, especially black beans can produce blood and blacken hair. It is convenient for everyone to eat black beans. Black-bone chicken can be cooked with black beans after delivery. Nostoc flagelliforme is black in color, thick and smooth in texture, contains iron, can enrich blood, and can make hair black if eaten frequently. Women can also use Nostoc flagelliforme to cook soup as blood supplement after delivery. Carrots Carrots are carrots and are called ginseng in Japan. They contain vitamins B and C, and a special nutrient, carotene, which is very beneficial for enriching blood. So boiled carrots are a good soup for enriching blood. Gluten is found in folk food stores, vegetarian restaurants and pot-stewed stalls. Gluten is rich in iron and is a delicious food worth popularizing. Spinach, also known as spinach, is a well-known blood-enriching food, rich in iron-containing carotene, so spinach can be regarded as an important food in blood-enriching vegetables. Other foods containing iron are raisins, dried plums, dried apricots and dried peaches.