Cold has a certain impact on the examination, the cold is originally a cold virus or bacteria, caused by the infection of the upper respiratory tract, including the nasal cavity, throat and trachea, which can easily lead to khat-like symptoms. It causes serious nasal congestion, runny nose, and even sneezing, so that the ventilation of the nasal cavity is not very good, which can easily lead to the occurrence of hypoxia, and the cerebrovascular is particularly sensitive to hypoxia, so there is a high probability of slow reaction, dizziness, and headache, which has a greater impact on the examination. Once you have a cold, be sure to get active treatment before the exam. Cold medicines can easily make people sleepy, try to use anti-viral drugs for treatment. You can take Pudilan anti-inflammatory oral solution, Blue Scutellaria oral solution or Four Seasons antiviral combination for treatment. If the cold is caused by a more serious flu virus, you need to use Lotus Clear Distemper Granules, or Tamiflu for antiviral treatment to be more effective.