Coughing with blood in sputum from cold is considered to be a cough caused by upper respiratory tract infection. If frequent coughing can damage the mucous membrane of the throat, the mucous membrane damage ruptures, resulting in blood in sputum. You should actively treat the cold as well as use cough and phlegm medicines, you can choose some anti-cold punch and capsule type of drugs. There are many of them on the market, such as compound aminophenalkylamine granules, Qingkai Ling granules, Pudilan oral liquid, etc., and use tranylcypromine or carboxymethylstilbestrol to stop cough and reduce phlegm. In addition, during the treatment period, you must drink more water, avoid smoking and drinking, and pay attention to eating more vegetables, replenishing water, combining labor and rest, and avoiding excessive exertion. If the symptoms recur, you can go to the hospital for a routine blood test to find out whether there is an elevated blood count, as well as the use of symptomatic antibiotic drugs.