Sneezing all the time with a cold is considered to be related to the khat-like symptoms of a cold, but nasal irritation caused by allergic rhinitis cannot be excluded. It is recommended to go to the hospital to improve the allergen examination, especially you can go to the ear, nose and throat department for relevant examination to clarify. If the problem is very serious, you can properly eat anti-allergy drugs, with the use of cold drugs at the same time, anti-allergy drugs can choose cetirizine syrup, but also in the nasal cavity can be sprayed into the sea saline will have a very good effect. In short, if you have a cold and sneeze all the time, you can drink more water, usually wear a mask when you go out and do not touch too much irritating smell of gas, and at the same time, when the cold air comes, you should pay attention to keep warm to prevent the cold from getting worse, only if you prevent it well will you recover better.