The male baby’s foreskin is red, swollen and pus-filled, which is considered to be caused by circumcision. The red swelling and pus of the foreskin is related to bacterial infection, the state of circumcision, do not pay attention to hygiene, local urine or secretion stimulation, etc. are among the triggering factors, the bacteria will grow and multiply in the soft tissue of the foreskin, the formation of a local inflammatory reaction, resulting in redness, swelling, pain, purulent secretion and other symptoms. The appearance of circumcision should be timely anti-infection treatment, clean up the secretion, followed by potassium permanganate solution soak the penis, apply antibiotic ointment treatment, such as erythromycin ointment, mupirocin ointment, with oral cephalosporin granules and other antibiotic treatment in serious cases. After the inflammation subsides there is a circumcision state, need to continue to take circumcision for treatment. All of the above drugs need to pay attention to the side effects and adverse reactions of drugs, please use the above drugs under the guidance of a doctor. Male treasure foreskin redness, swelling and pus, it is recommended to go to the hospital in time for examination and professional treatment.