Health is wealth. We should keep this wealth free from diseases. For this we have to prevent diseases because prevention is better than cure. But many of us ignore the saying. As a result, they have to suffer a lot from various diseases. To prevent diseases we have to follow certain rules of health. We should eat proper food containing carbohydrate, protein, fat, vitamins and minerals salts. Vitamins and mineral salts prevent diseases. Besides, we should rest and sleep properly and take regular physical exercise. We should drink sufficient clean water. We should also control our emotions have patience leave how to face reality and avoid anxiety. Above all we should follow the rules of cleanliness. We get numerous diseases because of unclearness. So, we should wash our hands with soap before weal’s and after the toilet, keep our nails sort, wash ourselves every day and wash our clothes regularly. We must not use other people’s clothes, combs and towels. We should not spit have there every now then and enough prevent disease like diarrhea, skin diseases, flu and TB and so on. Moreover, three injections for young children under five as preventives that save that save them from certain diseases. For instances, BCG for TB, DPT for diphtheria, whooping cough and Titanus, polio for polio, Measles for measles. Thus the best was to prevent diseases and keep in good health is follow the rules of health.