H7N9 avian influenza has become the focus of discussion, according to a statistic on April 13, there were eight new and confirmed cases in China, including two cases in Henan. Experts in disease prevention and control point out that the case is dominated by the elderly in terms of current incidence, which has to remind us of the prevention of bird flu in patients with diabetic foot gangrene. Patients with gangrene belong to a special group of people, many of whom have a history of diabetes for more than 10 years, older, the aging of the body has made the resistance is not as good as young people, and high sugar and lead to vascular and neuropathy, it is easy to suffer from the germs. Therefore, it is of great concern how to prevent H7N9 avian influenza in these patients. Diabetic gangrene treatment expert President Song has been very concerned about this issue, she pointed out that there is no need to panic, the most critical thing is to do a good job of prevention. First, patients must stay away from poultry gathering places, and it is best to reduce the number of trips during special periods, and if you must travel, you must wear a mask. Second, if you want to eat chicken, duck, goose and other poultry meat and eggs, must be cooked thoroughly, some people like to use boiling water to wash egg flower, just tolerate it for a while. Third, a balanced diet is needed to avoid catching fire and cold, which can cause colds.