What does onion do? Tell me specifically.

Indications: sweating to relieve exterior syndrome, dispelling cold and activating yang, detoxifying and dispersing coagulation. Indications: slight cold due to wind-cold, carbuncle, swelling and sore, dysentery, weak pulse, abdominal pain due to cold coagulation, and dysuria. Scallion is from the Record of Famous Doctors. "Tang Herbal Classic": There are two kinds of people who eat onions: there are frozen onions, which will not die after winter, and they will not have children when planted on separate stems; There are also green onions, which are withered in winter and eaten. Frozen onion is the best medicine, and it smells delicious. Compendium of Shu Materia Medica: According to Illustration, there are four kinds of onion: winter onion, green onion, shallot, onion: winter onion decays in summer, winter powder, soft stems and leaves, which are found in Shannan: green onion withers in winter, and the stems are hard and thin; Scallion stems and leaves are thick and short, and the roots are golden, which can cure swelling and poison; Onions are born in valleys and are not used as medicine. Materia Medica: There are several kinds of scallions, such as mountain scallions and shallots used for medicine, frozen scallions and scallions used for food. There is another kind of onion, which is also a kind of winter onion. People in the south of the Yangtze River call it the dragon horn onion, saying that its seedlings are octagonal, so there are many kinds between Huai and Chu. The stems of green onions are hard and thin, and the leaves wither in winter. Onions can kill fish poison, and food is indispensable. Outline: Onion in winter is a kind of onion, or onion in Taiwan crown, which means its stem is soft and fragrant, and it can last the whole winter. Onion is Allium fistulosum, and its stem is thick and hard, so it has a wooden name. Onion has no children. Onion blooms in late spring and is blue and white. Its son Chen Xin is black and wrinkled. Made into three petals, it can be dried in the shade and not depressed. You can plant it or you can plant it.

Suitable: people who have a cold, fever and no sweat, headache and stuffy nose, and cough with excessive phlegm should eat; Abdominal pain and diarrhea caused by abdominal cold should be eaten; Those with cold stomach and loss of appetite should eat it; Pregnant women should eat; People with itchy scalp should eat it. Grilled fish and barbecue can be used as condiments. Taboo: onion-contraindication 1. It is forbidden for those who are overworked and sweaty. 2. "Qianjin Diet": Eating raw onions is honey and becomes profitable. 3. "Dietotherapy Materia Medica": rushing people, five internal organs. People with qi deficiency tend to get angry if they eat more. 4. Yan Luyan's Materia Medica: Long-term eating makes people forget, especially chronic diseases. People who stink are not edible. 5. "Outline": Take Rehmannia glutinosa and Changshan, and avoid eating onions. 6. "Materia Medica": those who are prone to sweating due to superficial deficiency should not eat, and those who have sweated should not re-enter. 7. Those who show hyperhidrosis and spontaneous sweating are not suitable for eating; People with body odor should not eat it. In addition, onions and honey can't be eaten together, which will cause poisoning.