Cough bloody taste but did not see blood, this situation is mainly due to the pharynx has a different degree of inflammatory reaction, commonly because of infection with viruses, bacteria, etc., the invasion of these pathogens so that the mucous membrane of the pharynx appeared in the inflammatory reaction, the mucous membrane is obviously congestion, edema, there is inflammatory secretion exudation, at this time, there will be a bloody taste of the pharynx, and the capillary wall is not ruptured, so there will be no Bleeding. At this time, the diet should be light, do not eat spicy and stimulating food, you can also take appropriate medication to clear heat and detoxification effect, such as Shuanghuanglian oral liquid, Qingkailing granules. You can also use saline to gargle and rinse your throat every day. For bacterial infection you can choose antibiotics, such as penicillin, amoxicillin and other drugs.