Burn wound yellowish viscous secretion may be caused by bacterial infection, or may be the exudate of skin ulcers at the burn. 1. Bacterial infection: due to the skin burns, the skin against microbial invasion of the natural barrier has been greatly damaged, burn wounds appear yellowish viscous liquid, common staphylococcus aureus infection, causing tissue liquefaction and necrosis, manifested as fever, weakness of the limbs, loss of appetite and other symptoms, the serious cases can lead to shock. 2. Exudate at the skin ulcer burns: after the skin burns, the skin ulcer burns at the emergence of exudate, exudate is yellowish viscous secretion. There are other possibilities for yellowish viscous discharge from burn wounds, you should go to the hospital in a timely manner to clarify the cause of the disease, under the guidance of a professional physician, follow the doctor’s instructions for treatment, do not self-medication, so as not to delay the condition.