Diabetic patients can drink tea: Flos Chrysanthemi Indici, Folium Ilicis, Flos Lonicerae, Folium Mori, Semen Cassiae, Radix Salviae Miltiorrhizae, Herba Houttuyniae, Herba Taraxaci, Herba Patriniae, Fructus Lycii, Fructus Crataegi, Radix Puerariae, Radix Notoginseng, Fructus Arctii, Radix Ophiopogonis, Bulbus Lilii, Fructus Forsythiae, etc. At the same time, with diet, that is, light diet, avoid spicy, fried, irritating, sweet and greasy food, eat more bitter gourd, bitter chrysanthemum, onion, lettuce and so on. Avoid alcohol and tobacco, increase exercise moderately and drink less porridge. Take hypoglycemic drugs or inject insulin on time.