If you have pneumonia, you should observe the frequency of coughing, whether there is a change in the volume of sputum, whether there is a tendency to reduce dyspnea, and if everything is developing in a positive direction, it means that the symptoms of pneumonia are decreasing. 2. If the temperature does not fluctuate significantly throughout the day, the temperature may drop to normal in the afternoon after being above 38°C in the morning, and there is no recurrent temperature increase the next day. This also indicates that the pneumonia is progressing in a good direction, the inflammation is subsiding, and the antimicrobial agent applied is having an effective bactericidal effect. 4. The pneumonia observation should be a detailed, detailed observation, because pneumonia can sometimes cause acute respiratory distress towards respiratory failure, so the clinical observation must be meticulous.