If you have a cough with yellow sputum and blood in the sputum, it is mainly due to a bacterial infection, and a routine blood test will show high white blood cells and neutrophils, and a chest X-ray or CT of the lungs is needed. From the Chinese medicine point of view, it is considered to be caused by wind-heat cold, which causes wind-heat offending the lungs and coughing up yellow sputum, and there is a small amount of bleeding, causing the phenomenon of blood in the sputum, which can be treated with oral mulberry apricot soup, also need to pay attention to diet, drink more water, eat more fresh vegetables and fruits.