Sore throat at the beginning of a cold can be contagious, mainly through droplet transmission. Sore throat at the beginning of a cold is an acute upper respiratory tract infection, mostly caused by viruses, with a certain degree of contagiousness, mainly through exhaled gases, droplets, sneezes and other secretions to infect. Because the secretions contain certain pathogens, it is contagious and easy to infect others. Whether or not the disease develops depends on the individual’s immunity and the virulence of the pathogen. Everyone should have a correct understanding of colds, colds can be strengthened through the protection to prevent infection, such as wearing a mask, and daily exercise, pay attention to rest, etc. to enhance personal immunity. Sore throat at the beginning of a cold is contagious, after the diagnosis of the disease, follow the doctor’s instructions to take standardized treatment, the people around you can take protective measures to prevent this disease.