The deterioration of hardness after penis enlargement surgery may be related to factors such as excessive psychological pressure, incomplete exercise and impotence. 1. Excessive psychological pressure: after penis enlargement surgery, if you want to quickly achieve the purpose of improving your sex life, your mood is too tense and anxious, which may make the hardness of your penis worse and you can’t have a normal erection. At present, some adjustments should be made from the psychological aspect, so as to keep the mood in a relaxed and happy state. 2. Incomplete exercise: After surgery, you can promote blood circulation through training. If you don’t pay attention to the way and method when exercising, or the exercise is not thorough it may affect the hardness of the penis, resulting in poor hardness. You should pay attention to the way of exercise, and also need to pay attention to the combination of work and rest. 3. Erectile dysfunction: If you are suffering from erectile dysfunction, you may experience poor penile hardness when performing penile root training, and you may not be able to have a normal erection. For this disease can be prescribed oral medication such as sildenafil, tadalafil and so on. Poor hardness after penis enlargement surgery may also be caused by other factors, and patients are advised to go to regular hospitals for timely consultation and treatment.