Gynecological diseases are diseases that women can develop throughout their lives. Therefore, it is important to know the clinical manifestations of gynecological diseases. The clinical manifestations of gynecological diseases can be divided into several categories: first, irregular vaginal bleeding. Menstruation is a uniquely female manifestation that has a precise rhythm. When there is a disease in the female reproductive system, it can affect the periodicity of menstruation, manifested as an increase or decrease in the volume of menstruation, a shortening or lengthening of the menstrual cycle, or irregular vaginal bleeding. Second, lower abdominal pain. The female reproductive organs are located in the lowest part of the pelvic cavity, so when there is an abnormality in the reproductive organs, the patient may experience pain in the lower abdomen, and the nature and duration of the pain may vary depending on the disease. Third, abnormal vaginal discharge and painful itching of the vulva. Gynecological inflammation is the most common disease in obstetrics and gynecology. When vulvovaginal inflammation occurs, abnormal leucorrhea will appear, such as yellowish leucorrhea, bean curd-like, etc., accompanied by vulvar itching and painful performance. In addition, some gynecological diseases can also present with symptoms such as back pain and masses palpable in the lower abdomen. In summary, when women have irregular vaginal bleeding, abdominal pain, abnormal discharge, itching and pain in the vulva and other symptoms, it can indicate the presence of gynecological diseases, and patients need to seek medical attention in a timely manner to avoid delaying the condition.