Suggestion: 1. Self-administered non-allergic antibacterial drugs: roxithromycin dispersible tablets or cefalexin capsules (Yupingfeng powder is taken after 3-5 days) and Cange Biyan tablets. 2. Foshan Dezhong rhinitis drops (spray type) for external use. 3. Absorb warm light saline 5- 10 times every morning and evening (it is best to buy 0.9% physiological saline. Methods Fill the bowl with water, gently absorb water through your nose, and stop breathing for 3-5 seconds. Through the anti-inflammatory and bactericidal effect of light salt water, a large number of allergens, bacteria, viruses and purulent nasal mucus accumulated in nasal cavity and even sinus can be removed, giving nasal cavity a clean and refreshing environment, restoring the function of nasal cilia and accelerating the recovery of health. 4. Balance your mind, be optimistic and positive, and strengthen your exercise!