It is relatively normal to have nosebleeds from colds: 1. Colds can lead to congestion and edema in the nasal cavity, so it is easy to have nosebleeds. 2. During colds, the nasal cavity is dry and the nasal mucosa can easily bleed, which can also lead to symptoms of nosebleeds. At this time, you can drink more water to relieve the dryness of the nasal cavity, or take cold medicine for treatment, which can effectively relieve the congestion and edema of the nasal cavity, for example, adults can use Aminogarax capsule, Vitamin C silver warp tablets; if it is children, you can use the pediatric Banlangen granules, pediatric black bean warp clearing granules, pediatric cold clearing granules, the effect is better. 3, there may be coagulation dysfunction, so The blood routine and coagulation function must be checked, and also observe whether there are abnormal platelets, such as the occurrence of blood system diseases, the resistance is reduced, and it is easy to occur the phenomenon of cold. Because of the occurrence of coagulation disorders, it is easy to have the symptoms of bleeding and need to go to the hematology department for formal treatment.