Inflammation can be divided into local inflammation and systemic inflammation, local inflammation can be manifested as local redness, swelling, heat and pain; systemic inflammation can be manifested as fever, chills, fatigue and other symptoms, which need to be analyzed specifically. 1. Local inflammation: for example, our common boils, carbuncles, etc. will be manifested as local inflammatory reaction, the local infected area can be seen as redness, swelling, heat, pain, may not have systemic manifestations. 2. Systemic inflammation: Infectious diseases such as biliary tract infections, abdominal cavity infections and non-infectious diseases such as acute pancreatitis, burns, etc. may show systemic inflammation, with clinical manifestations such as fever, chills, malaise, and high metabolic status (e.g., hyperglycemia, increase in protein catabolism, etc.). The symptoms of inflammation are many and varied, and if discomfort occurs, it is recommended to consult a doctor in time to avoid delaying the condition.