Monitoring body temperature at all times in patients with polycystic ovary syndrome is intended to effectively predict ovulation and is often used to guide coitus or to avoid pregnancy, for example. Patients with polycystic ovary syndrome are commonly characterized by sporadic menstruation, and therefore ovulation cannot be estimated by predicting menstruation. However, when a woman ovulates, her body temperature usually rises by 0.3~0.5℃, and temperature monitoring is convenient, fast and safe, so there is a certain probability of predicting ovulation by monitoring the body temperature at any time, and therefore it is often used to guide women who want to conceive to have coitus or avoid pregnancy. It is recommended that patients suffering from polycystic ovary syndrome avoid excessive anxiety, pay attention to relaxation, if the temperature rises above 37.2 ℃ may be due to pathological reasons, it is recommended to consult a doctor in time.