Benign reactive changes refer to local lesions that are benign in nature and do not have the tendency to become malignant. Inflammation is what people usually call “inflammation”, which is a kind of defense response of the body to stimulation, manifested as redness, swelling, heat, pain and dysfunction. Inflammation can be an infectious inflammation caused by an infection or a non-infectious inflammation not caused by an infection. Usually, inflammation is beneficial and is an automatic defense response of the body, but there are times when it can be harmful, such as attacks on the body’s own tissues, inflammation occurring in transparent tissues, etc. Prevention and treatment of benign reactive changes Bacteria, viruses, rickettsia, mycoplasma, fungi, spirochetes and parasites are the most common causes of inflammation. Then good hygienic habits and a healthy body are required, and resistance needs to be strengthened. Good personal hygiene habits are the basis of lifestyle habits, which play an important role in the development of a person’s growth. So how to develop good habits and exercise? 1, human hands dry this and that every day, contact with a variety of things. Will be contaminated with germs, viruses and parasite eggs. Wash your hands carefully with soap before eating, in order to reduce the possibility of “disease from the mouth”. 2, raw fruits and vegetables should be washed. Fruit and vegetables in the process of growth will not only be contaminated with germs, viruses, parasitic eggs, and residual pesticides, insecticides, etc., if not clean, not only may be infected with disease, but also may cause pesticide poisoning. 3, do not eat rotten and spoiled food. Food spoilage, it will taste sour, bitter; emitting odor, which is caused by the proliferation of bacteria, eating these foods can cause food poisoning. 4, do not drink raw water. Whether the water is clean, it is difficult to distinguish with the naked eye alone, clear and transparent water may also contain germs, viruses, drink boiled water is the safest. 5.Adhere to appropriate physical exercise every day to enhance physical fitness and maintain good and abundant physical strength.