If you want to slim your arms and eliminate auxiliary breasts, you need a combination of healthy diet and exercise. Here are some suggestions:

1. Diet should control calories, eat less high-calorie foods and eat more healthy vegetables, fruits, lean meat and comprehensive foods. Avoid eating too much fat and sugar.

2. Anaerobic exercise can reduce fat but can't directly thin arms. The best way is to carry out aerobic exercise of muscle groups, such as jogging, swimming and aerobic dance, so that the body fat can be fully consumed.

3. According to arm movements, including dumbbell bench press, directional stretching, arm flexion and extension and other muscle exercises, adhere to a scientific exercise plan.

4. Increase proper daily exercise, such as walking and climbing stairs, to increase basal metabolism.

The most important thing is patience and perseverance, Jane.