There is generally no direct relationship between nodules and obesity. 1. The causes of nodules include infection factors, such as fungal infections, bacterial infections, parasitic infections, etc. can cause nodules, and other factors such as tumors, rheumatoid arthritis, and sarcoidosis can also be manifested as nodules, which are generally not related to obesity. 2. Obesity: Obesity may be caused by lack of exercise and eating too much. In addition, may also be genetic factors or suffer from certain diseases resulting in obesity, obese people do not necessarily have nodules, long nodules of people are not necessarily obese, the two are usually not necessarily linked. Patients with nodules need to do pathology, ultrasound and other related tests when necessary, and obese people need to lose weight, to control the amount of diet and increase exercise. Nodules or over-obese people need to actively go to the hospital to avoid further development of the disease. Do not self-medicate.