It may be normal for a man to want to have sex every day. It may also be caused by neurological diseases, endocrine tumors, mental illnesses, sex hormone changes, taking drugs and other pathological factors. The large secretion of sex hormones in a man’s body after puberty will cause hypersexuality, which will make men have the symptom of wanting to have sex every day, which is a normal physiological phenomenon. Epilepsy, vascular dementia, traumatic brain injury, stroke and other neurological disorders can lead to brain dysfunction, affecting the regulation of libido, thus causing men to want to have sex every day. In addition, pituitary tumors, testicular mesenchymal stromal cell tumors may also lead to men wanting to have sex every day, which are not normal. It is also not normal for a man to want to have sex every day as a result of schizophrenia, bipolar disorder, and other mental illnesses. It is recommended that a man who wants to have sex every day needs to seek medical attention, and the doctor will determine whether it is normal or not according to the specific circumstances.