There may be the following clinical reasons for rhinitis in hot weather: the first one, clinically more common is heat typhoid, due to heat, heat evil attacking the body causing the patient to have a non-ventilated nose, yellow pus nasal discharge, even including cough, spitting, fever, headache and other related manifestations, clinically also known as wind-heat cold, clinically occurring mostly in summer or when the weather is hotter, clinically treated with nasal spray Clinical treatment can be done with nasal spray or nasal rinse and other related treatments, while symptomatic treatment and treatment can be done with wind-heat cold medicines. Patients should pay attention to proper cooling and avoid being in a hot environment to avoid heat stroke and other related diseases. Secondly, some patients with allergic rhinitis can also be induced to have allergens when it is hot, which can lead to allergic rhinitis. The third kind, when the outside temperature is too high, can cause patients to develop vasomotor rhinitis, mainly due to the high temperature, but of course, the clinical is not very common. The fourth, some dry rhinitis patients, the weather is too hot resulting in rapid evaporation of water in the nasal cavity, prone to dryness of the nasal mucosa, inducing mucosal erosion, also prone to rhinitis.