On the day of ovulation, there may be lower abdominal pain, abdominal cramping sensation, straining vaginal discharge, change in body temperature, hypersexuality and other symptoms. 1. Lower abdominal pain: the follicle may be discharged from the ovary to the pelvis after maturation, and there may be a vague pain or pins and needles pain in the lower abdomen on the side of ovulation, which usually lasts for a few hours and then relieves. 2. Abdominal cramping sensation: there is a small amount of pelvic fluid in the pelvis after ovulation, there may be a small amount of bleeding from the ovaries, the formation of more fluid, it may stimulate the pelvic peritoneum, causing symptoms such as lower abdominal cramping pain. 3. Vaginal discharge: after the day of ovulation due to the hormone level of vaginal discharge suddenly increased, like egg white, there will be pulling performance, there may also be discharge with blood. 4. Temperature change: there will be a mild decrease in body temperature after ovulation, followed by a mild increase after ovulation, usually by 0.3-0.5℃. 5. Hypersexuality: some women will have more obvious hypersexuality, high energy and other manifestations. If women have obvious symptoms on the day of ovulation, they should go to the hospital in time to confirm the diagnosis and standardized treatment under the guidance of the doctor.