The preferred test for pus and blood stool is routine fecal examination. Pus and blood in the stool is more common in the clinic, its causes are more, most of them are caused by infections, when appearing pus and blood in the stool, the patient can first in the doctor’s guidance for fecal routine examination, to know whether there are viral, bacterial and parasitic infections, but also can be used as a way of digestive tract tumor screening. When the patient has pus and blood stool, stool examination (according to the shape and composition of the fecal matter to understand the patient’s digestive status), anal visualization (to rule out perianal abscess, perianal fistula), anal fingerprinting (to rule out rectal polyps, rectal cancer, internal hemorrhoids, etc.), etc., to understand the patient’s disease status comprehensively. When pus and blood stool symptoms occur, patients should go to the hospital in a timely manner, if it is clear that the pus and blood stool is caused by infection, patients can take levofloxacin hydrochloride tablets, cefdinir dispersible tablets and other medications under the guidance of the doctor; need to pay attention to the adverse effects of drugs in the process of taking drugs.