Cough is one of the most common symptoms in internal medicine clinics, and in severe cases it can even interfere with work, as in geriatric cough asthma. A cough that persists for more than 3 weeks with normal chest imaging is usually referred to as chronic cough of unknown origin. Asthma is a common chronic disease. Asthma attacks are caused by certain stimuli such as allergies, infections, environment, climate change, etc. The clinical symptoms of asthma are diverse: seasonal asthma, which almost always develops in a certain season every year, lasts 1-2 months, and mostly gets better on its own, usually as normal. Allergic asthma, which develops when encountering allergic substances. Common allergic substances include pollen, animal fur, special odors, and food. Patients with the following symptoms may visit a specialized clinic: 1. various acute and chronic coughs 2. seasonal asthma and allergic asthma are often accompanied by allergic rhinitis 3, Asthma attacks are often preceded by nasal congestion, runny nose, sneezing and watery eyes. 4.Many patients think it is a cold and often take cold medicine and anti-inflammatory drugs (antibiotics), but they often do not work. When the allergic factors are dispelled, the asthma symptoms will be reduced or even disappear. 5.Other asthma is persistent, and intermittently aggravated. This type of asthma is mostly because the triggering factors are unknown and the bronchial inflammation cannot be completely controlled, manifesting itself as daily or very short episodes, sometimes with heavy disease. 6.Some asthma is mild and patients often do not pay much attention to it or even do not use medication every day. But under the stimulation of certain triggering factors will suddenly aggravate the attack. Individuals even have critical attacks and respiratory failure. 7. Some asthma or cough is the only symptom, especially coughing at night, etc. All need to go to a professional cough and asthma clinic. Cough, asthma is not terrible. For most cough, asthma, as long as you adhere to the treatment, and not too much affect life, work, life expectancy.