A hyperechoic nodule bi-rads category 3 in the left breast is usually a benign space-occupying lesion due to breast hyperplasia. A breast fibroid may be present. If the patient is symptomatic, it may be removed by minimally invasive surgery. If there are no symptoms, then regular review is all that is required. There is a nodule inside the left breast. Generally, this kind of nodule has a hard texture, clear boundary and good mobility, which belongs to the benign nodule, and only needs regular follow-up, although it is more likely to be benign, it may also belong to the malignant one. Regular follow-up is recommended. Surgical removal is recommended if there are other symptoms, or if it is larger. For this benign lesion, there is no better drug treatment, if the size is small, you can temporarily observe, and pay attention to regular review, if the growth of the need for surgical treatment, in the adult life should pay attention to the diet of light, maintain a good mood and regular work and rest.