Colds and coughs may heal on their own, but they need to be analyzed on a case-by-case basis to avoid delays in treatment. If the cough is caused by the common cold, it is mostly due to viral infection, which is a self-limiting disease. It is a self-limiting disease. If the body’s immunity is good and the symptoms are mild, it can be cured on its own. However, during this period, you need to drink more water and eat more vitamin-rich vegetables and fruits. Ensuring adequate sleep can improve the symptoms of coughing. If the cough is more severe, it is recommended not to wait for it to clear up. It is necessary to consult a doctor in time, and can take medication under the guidance of the doctor, such as the compound licorice combination and so on. In addition, the phenomenon of coughing up yellow sputum is mostly related to bacterial infections and other conditions, which need to be examined by a doctor as soon as possible. It is recommended to apply sensitive antibiotics for anti-infection treatment under the guidance of the doctor, such as penicillin, cefuroxime and so on.