Breast nodules can be swum in, and swimming does not relieve breast nodules or make the condition worse. Women who find breast nodules through imaging or unintentional touching can also swim normally. Because swimming does not generally make the condition of breast nodules worse, swimming also has no ameliorative effect on breast nodules. Swimming as a form of exercise strengthens the body’s immune system and is generally good for the organism. When a woman discovers a breast nodule, it is important to choose the appropriate treatment based on the size of the nodule and the grading of the image. If the nodule becomes bigger in a short period of time, or if the breast nodule is accompanied by nipple overflow, it is necessary to go to the hospital in time to consult the doctor, to clarify the cause under the guidance of the doctor, and to carry out targeted treatment and management.