Cut the newly bought Sydney from the top, dig a hole, and then put various materials such as scallop powder, rock sugar, orange peel into the pear. After stewing for more than an hour, eat all the soup with skin. This is Xiaopeng's "online red" recipe. In order to relieve the symptoms of a long cough after a cold, she also made this "set meal" for herself. "The taste is sweet and delicious, and the cough seems to be better." Xiao Peng said. She only tasted it once, and she didn't know how effective it was. Let's take a psychological comfort. Similarly, Xiao Liu also learned a cough relief recipe online and insisted on boiling it every day. "It seems that every time I drink it, I get better, but it doesn't last long, so I drink it for several days, and then I get better." Unlike Peng, Liu is very sure to attribute the improvement of his cough to his diet. Not only Xiaopeng and Xiaoliu, but also the simple "small sugar water" is becoming a popular tonic for many people. So is "little sugar water" really useful? How to eat? Is sugar water different from psychological placebo in the concept of medicine? The raw materials used in this kind of sugar water are mostly the ingredients that we can see in our daily life. Many people have questions. They are common foods. Will they have "magic effects" after simple processing? "When the disease pathogen invades the throat, there will be throat pain, and cough will occur down to the lungs. The lungs will not be filled with fluid, and the lung qi will be blocked by the external pathogen to form phlegm. Many people will also be troubled by cough for a long time even after the disease is cured. Some small stimuli, such as oil smoke, dust, and irritating odor, may induce cough again. One is because the residual evil is not clear after the external evil enters the body, and the other is because the lung function is not fully recovered, and the whole body's breath will rise and fall Disordered access. " Meng Yongsheng, the chief physician of geriatrics department of Xuanwu Hospital of Traditional Chinese Medicine in Beijing, said that at this time, it can be relieved by taking "small sugar water", which is also a common method. From the perspective of traditional Chinese medicine, selecting suitable ingredients can play the role of nourishing and moistening the lungs. In addition, some fruits in "small sugar water" are rich in vitamins and other trace elements, which are conducive to the recovery of the disease. Fruits such as Sydney and kumquat are rich in vitamins, which will improve the immunity of the human body to a certain extent after entering the body. Therefore, many people expect vitamins, especially vitamin C, to prevent colds and reduce the incidence of colds. "Although there is no clear conclusion that a certain vitamin can play an exact role in preventing colds, it does not mean it is useless. Once a cold, an acute infectious diseases, occurs, vitamin C can be supplemented to alleviate some uncomfortable symptoms of colds." Zhang Haiying, chief pharmacist of the pharmacy department of Peking University People's Hospital, said. In fact, water also plays an important role in our body recovery. "Water is responsible for transporting nutrients to all parts of the body, playing a basic role in transportation, including the excretion of waste through urine metabolism, and is also indispensable for enhancing immunity." Ma Guansheng, a professor at the School of Public Health of Peking University, believes that, "Some people don't like drinking water, and they specially boil this kind of dietotherapy formula, which at least ensures the water intake to a certain extent, and plays a positive role." "" Small sugar water "as a dietotherapy method