When "excessive internal heat" occurs, it generally leads to physical weakness and can also cause pain, such as sore throat, oral pain, stomachache, etc. The symptoms of a cold mainly manifest as coughing, excessive phlegm, nasal congestion, runny nose, and an itchy throat. Therefore, effective differentiation can be made by comparing these symptoms. Regardless of whether it is "excessive internal heat" or a cold, it is important to manage the condition early to effectively prevent the illness from worsening. Drinking more plain water can also provide some relief.