First, do not overeat, live a regular life, eat slowly and chew, eat more vegetables, as far as possible, do not eat food containing glucose and sucrose in large amounts within a short period of time, which can prevent a rapid rise in blood sugar in a short period of time, which helps to protect the function of the pancreas, especially friends with a family history of diabetes must remember! Second, have a regular sex life to prevent infectious diseases; do not take an excessive amount of antibiotics. Some viral infections and an overdose of antibiotics can induce diabetes! Third, friends with abnormal glucose tolerance or a family history of diabetes can prevent diabetes to the maximum extent possible: eat three months of niacinamide, Vb1, Vb6, methyl Vb12 (Micropol) to enhance pancreatic function each year; eat half a month of Vc, Ve, at the change of seasons, the dose should be large, can improve their immunity, remove free radicals. (You can also divide the year into two periods of intramuscular injection Vb12, each time two weeks, a day, which is very economical!) Fourth, more exercise, less late at night.