If a patient has allergic rhinitis after a cold, it is important to control the symptoms with medication. For colds, patients can apply cold and fever granules or Lianhua Qingfei capsule for treatment. For the symptoms of the nose, oral Tongkang Rhinitis granules can be considered with loratadine capsules or Epastine tablets for anti-allergy. Patients can add resistance-enhancing drugs, such as pidomod oral solution or transfer factor capsules. When the patient’s resistance is significantly enhanced, the disease will get better faster. It is recommended to drink more water to promote the absorption of drugs, and it is best to do physical exercise in general to avoid frequent colds, which may trigger the symptoms of allergic rhinitis. If there is no improvement after symptomatic treatment, further consultation at the hospital is required.