Left ovarian cystic echo less than 5 cm is considered normal, if the left ovarian cystic echo more than 5 cm is not considered a normal presentation. Left ovarian cystic echoes are mostly ultrasound results suggesting the presence of ovarian cysts, generally ovarian cysts less than 5cm in diameter, and there is no clinical manifestations, most of the consideration is physiological ovarian cysts, is considered a normal manifestation of the general do not need treatment, you can first observe 3 months, most of the physiological ovary will disappear within 3 months. If the diameter of the ovarian cyst is more than 5cm, and there is also abdominal pain on one side, abdominal distension, lumbosacral pain, pain during sexual intercourse, lower abdominal pressure, etc., it is generally not considered a normal phenomenon. Therefore, if patients do ultrasound examination found that the left ovarian cystic echo is less than 5cm, do not need to worry, this is a normal performance. If the left ovarian cystic echogenicity is found to be more than 5cm, it belongs to the abnormal performance, the patient needs to consult a doctor for examination in a timely manner, and can take appropriate measures under the guidance of the doctor for treatment.