Moderate hemoptysis is the amount of blood coughed up per day between 100ml-500ml, usually at least the equivalent of a small cup of yogurt, and then up to the amount of a bottle of 500ml cola. Hemoptysis is bleeding from the larynx and the respiratory tract below the larynx as well as from any part of the lungs, which is formed by hemoptysis through the mouth, and is commonly seen in bronchial dilatation, tuberculosis, lung cancer and other diseases, and needs to be differentiated from bleeding from the oral mucosa, bleeding from the nasal cavity, and bleeding from the pharynx, so if you have the symptom of coughing up blood in your home, please consult a doctor in a timely manner.