The causes of hypersexuality are complex, mental illness is one of the causes, other organic diseases, such as hyperthyroidism, temporal lobe tumor, etc., can also be triggered. 1. Hyperthyroidism: when some patients have hyperthyroidism, symptoms such as hypersexuality will be obvious at the early stage of the disease. 2. Temporal lobe tumor: when the patient suffers from temporal lobe tumor, it will cause the cerebral cortex to lose control of the lower neurons, and the degree of sexual excitability will be obviously increased, which will lead to sexual arousal. 3. Mental illness: it can be seen in people who suffer from mania, schizophrenia and other diseases. Considering the patient’s mental disorder caused by the inhibition of sexual arousal decreased induced. By the sexual arousal situation also need to go to the hospital in time for medical treatment.