Cold and flu and nasal non-aeration can be treated by taking cold medicines such as Crypto capsules and Sensitive granules by mouth. Non-aeration is a symptom of cold, when the cold is relieved, the nasal cavity is naturally ventilated, more serious can be assisted by oral rhinitis tablets. If the nasal non-ventilation is more serious, you can local care, choose sea salt water nasal care agent, when the nasal cavity is uncomfortable, the left and right side of the spray wash, on the one hand can achieve the role of sterilization, on the other hand can be good to relieve non-ventilation. The only component of this sea salt water care is sea salt water, without any antibiotics and hormones, and can be used an unlimited number of times a day.