background Diabetes is the most common endocrine metabolic diseases its complications, serious harm, affect the patient's quality of life. Therefore, according to the different needs of individual health knowledge, education, health, and pointed to the effect of health education ability and nurse evaluation, satisfy patient needs and improve the nurses health knowledge education quality. Purpose research Health education is the important means to prevent illness progress, one can stimulate patient actively participate in health maintenance and lifestyle changes, long-term effective prevention and control of blood sugar, delayed complications, improve the quality of life. methods In order to understand the knowledge of disease diabetes patients and health education of cognitive degree, according to the demand is weak points to strengthen health taught to explore the destination for diabetes patients, improving the health education and the quality of life of the questionnaire investigation of 60 diabetic patients. Research results Results showed that patients with certain diseases, but the lack of scientific knowledge, need to health to solve practical problems of health. In clinical practice, diabetes in two kinds of adverse mental state, one kind is made, and that nothing is not strictly drug diet, etc. Another kind is too careful about "disease" color changes, anxiety, pessimistic, etc, in these psychological condition, patients received knowledge ability. Therefore, not anxious to instill in patients with knowledge, for the first time in talking to the patient is pertinently on psychological comfort and interpretation, let the patient from two different liberated, avoid extreme mental tension and mental stimulation. From the close relationship between the, strengthen communication and promote the psychological and emotional communication with trust, then proceed health guidelines. Keywords: diabetes, diabetic patients, the quality of life. Type: research papers