Cold patients with symptoms of nasal congestion, in general, you can eat some oranges. Nasal congestion in colds is mainly due to viral, bacterial and other pathogenic infections, resulting in nasal mucosa congestion, edema, and even inflammatory secretions oozing out, resulting in a narrower nasal cavity and triggered. Oranges are very rich in vitamin C, a variety of trace elements, and a lot of minerals, can provide patients with a certain amount of energy and nutritional needs, can enhance physical fitness, can improve immunity, is beneficial to the condition, and oranges contain more water, with clearing the pharynx, moistening the throat, moistening the lungs, moisturizing the role of the nasal mucosa, to a certain extent, can alleviate the symptoms of nasal congestion. At the same time also with some western medicines, such as drugs containing pseudoephedrine hydrochloride components, to promote the relief of symptoms.