With the advent of summer, people suffering from allergic rhinitis will have a collective attack, mainly related to the following reasons. 1, the use of air conditioning: air conditioning heat sink pollution and cold air are causes of allergic rhinitis attacks. 2, excessive eating cold drinks: Most people with allergic rhinitis are cold and should not consume cold drinks, but the summer weather is hot, so patients need to control themselves and try not to eat cold drinks. 3, sleeping cold: it is best to lay a layer of sheets on the cool mat, and avoid sleeping naked.