Type 1 diabetes requires treatment to keep blood sugar levels within a target range. Treatment includes: 1  Taking several insulin injections every day or using an insulin pump. 2  Monitoring blood sugar levels several times a day.3  Eating a healthy diet that spreads carbohydrate throughout the day. 4  Regular physical activity or exercise. 5  Exercise helps the body to use insulin more efficiently.reatment includes: 1  Taking several insulin injections every day or using an insulin pump. 2  Monitoring blood sugar levels several times a day. 3  Eating a healthy diet that spreads carbohydrate throughout the day. 4  Regular physical activity or exercise. 5  Exercise helps the body to use insulin more efficiently.