Breast hypoechoic nodule birads class 3 is a result of breast ultrasound that suggests a higher probability of a benign nodule in the breast. The birads classification of the breast is mainly used to determine the benign or malignant nature of the lesion in the breast. If the nodule is in the birads1, birads2, or birads3 category, it is considered to have a high likelihood of being benign, and if it is in the birads4, birads5, or birads6 category, it is considered to have a certain likelihood of being malignant. Breast hypoechoic nodules birads3 category usually do not need to be treated, there is a high possibility of benign, in order to avoid malignant transformation of the nodules in the breast, to carry out regular observation, it is recommended to go to the hospital for breast ultrasound examination at the age of 3-6 months. Therefore, patients with breast hypoechoic nodules birads3 category, must regularly go to the hospital for rechecking, usually to maintain emotional stability, avoid mental tension or anxiety.