Birads4a nodules are hyperplastic nodules and are graded for benignity and malignancy under breast ultrasound. Although Birads4a nodules have a high probability of being benign, they still have about 30% chance of malignancy and should be actively treated by surgical excision. If it is malignant, enlarged mastectomy will be performed within a limited period of time. In conclusion, Birads 4a mastopexy nodules are not completely excluded from the possibility of cancer, so it is recommended to actively perform surgical treatment. In daily life, you should take a light and vitamin-rich diet, avoid eating too much fried and high-fat food, avoid staying up late, go to bed early and wake up early, and keep your mood relaxed.