The sudden disappearance of male libido is related to mental factors, hormone metabolism, disease factors, medication factors, age factors, and bad habits. 1. Mental factors: for example, mental tension, emotional anxiety, or emotional problems of both husband and wife, etc., can cause sudden loss of male libido. 2. Hormone metabolism: Hormone metabolism in the body is abnormal due to various reasons, androgen level decreases, which will lead to the sudden loss of male libido. 3. Disease factors: diabetes, hypertension, hypothyroidism, adrenal disease, genitourinary infectious diseases, and tumors can also lead to the sudden loss of male libido. 4. Age factor: with age, the body function will gradually decline, male libido may suddenly disappear. 5. Unhealthy habits: Irregular life and diet, staying up late, hard work, smoking, alcoholism, etc. may also lead to the sudden loss of male libido. The sudden disappearance of male libido, there may be other reasons, you need to go to the hospital in time to check, clear the cause of the disease and follow the doctor’s instructions for treatment.