Colds may cause the recurrence of conjunctivitis, viral conjunctivitis is mainly related to the body’s resistance, if the body’s resistance is reduced, the latent virus in the body will proliferate, proliferation to a certain extent will form viral conjunctivitis, or even viral keratitis. Colds may lead to a decline in body resistance, and the proliferation of viruses can lead to the reoccurrence of viral conjunctivitis. You must pay attention to improve your body resistance, pay attention to rest when you have a cold, and maintain good eye habits to avoid the reoccurrence of viral conjunctivitis.