Whether or not a cold and fever can heal on its own depends on the situation. If the fever is caused by the common cold, it can be cured by itself. However, if the fever is caused by influenza, or if the patient’s immunity is weak, the symptoms are severe, or the patient has underlying medical conditions, prompt treatment is needed. Common cold fever is mostly caused by viral infections such as rhinovirus, adenovirus, respiratory syncytial virus, etc. It is a self-healing disease, and can be cured within a week in most cases. Some viruses, such as influenza virus caused by influenza, fever symptoms may be more serious, and may be accompanied by severe systemic symptoms, etc. It is recommended to take antiviral drugs, such as oseltamivir, under the guidance of a physician. It is recommended to take antiviral drugs, such as oseltamivir, under the supervision of a physician. It is also recommended to use drugs to reduce phlegm and relieve cough, such as Ambroxol oral solution. In addition, if the patient himself has chronic bronchitis and other underlying diseases, it is recommended to consult a doctor in a timely manner, so that further examination can be done to avoid exacerbation of the condition or the emergence of other complications. If the symptoms of cold and fever are mild, you can drink more hot water to increase metabolism and promote self-healing, but if the symptoms are serious or there are other diseases, it is recommended to seek medical treatment under the guidance of a physician.