Big people runny nose, the cause, symptomatic treatment to get well quickly, common causes include acute rhinitis, vasomotor rhinitis or allergic rhinitis, generally take medication. 1. Acute rhinitis: Acute rhinitis is mostly caused by viral infections resulting in runny nose, should pay attention to keep warm, light diet, drink more hot water to promote metabolism. 2. Vasomotor rhinitis: due to various external stimuli and neuroendocrine disorders, leading to vasodilatation of the nasal mucosa, hypersecretion of the glands, thus causing the symptoms of running nose, etc. Antihistamines (loratadine, etc.) and glucocorticoid nasal sprays can be used. 3. Allergic rhinitis: if suddenly start to runny nose, sneezing, etc., may be caused by allergic rhinitis, should be timely away from the allergens, you can use anti-allergic drugs for treatment, such as loratadine tablets. It is recommended that the patient first clarify the cause of the runny nose, under the guidance of the doctor to carry out the relevant treatment, daily life should be through exercise, healthy diet, to improve their own immunity. Avoid the blind use of drugs.