An isoechoic nodule does not determine whether it is benign or malignant. The echo of a nodule is a descriptive term commonly used in clinical ultrasound, and is generally hypoechoic, very hypoechoic, isoechoic, hyperechoic, and anechoic. An isoechoic nodule indicates that the echoes of the ultrasound waves of the nodule are consistent with the echoes of the surrounding tissue. Isoechoic nodules can be benign or malignant, and it is unscientific to diagnose the benign or malignant nature of a nodule solely on the basis of ultrasound. If the color ultrasound found isoechoic nodule, need to further check the enhanced CT or nuclear magnetic clear diagnosis. If necessary, it is also necessary to take a biopsy by puncture for pathologic diagnosis. Pathologic diagnosis is the gold standard for diagnosing benign or malignant nodules. A professional doctor will make a comprehensive judgment on the nodule according to its boundary, shape, blood flow signal and other aspects. It is recommended to improve the relevant examination after the discovery of isoechoic nodules, to clarify the nature of the nodule, and symptomatic treatment. Normally, we should pay attention to appropriate exercise, enhance physical fitness, regular work and rest, do not stay up all night. Adopt good habits, and go to the hospital regularly for review.