There are many reasons why men don’t have erections, and the common reasons are as follows: 1, due to mental tension, anxiety, or work fatigue leads to men don’t have erections. 2, due to long-term bad habits, including long-term smoking, alcoholism or drug addiction, there will be men don’t have erections. 3, due to long-term diseases, like hypertension, diabetes, hyperlipidemia, hypothyroidism and other conditions, there will also be men don’t have erections. 4, due to poor husband and wife relationship, poor husband and wife relationship, this condition will also occur. 5, due to age, as men age, testicles are not the most important thing. The situation of men not having erections can also occur.4. Due to poor relationship between husband and wife, the couple is poor, this situation can also occur men not having erections.5. Due to age, as men grow older, the testicular function of the testicular function of the decline can also occur men not having erections.6. There is no other specific disease caused by the situation of men not having erections.