Taking vitamin C during a cold is useful because vitamin C can help the body strengthen immunity and resistance. Taking vitamin C during a cold can enhance the body’s ability to resist stress and immunity to the external environment, thus promoting recovery from the cold, especially for viral colds. Vitamin C must be taken in the correct dosage, not in excess. In case of a cold, if the symptoms are mild, drink more water and eat more foods rich in vitamin C to enhance resistance and promote healing from the cold. If the symptoms are more serious, you should use cold medicine for treatment to be more effective, you can use Banlangen granules or Pu Di Lan anti-inflammatory oral solution for anti-inflammatory treatment. In the case of children, you can also use pediatric aminophenol pseudo-lax dispersible tablets, pediatric aminophenol xanthamine granules or pediatric black beetle Qinghe granules to relieve the cold.