Male erectile dysfunction, or erection after the hardness is not enough, to improve penile hardness methods are many, including penile massage, strengthen the exercise, drugs and so on. 1. Penile massage: moderate penile massage and hot packs can promote penile blood circulation, to increase penile hardness, play a certain auxiliary effect. 2. Strengthen the exercise: daily life to strengthen the exercise, enhance physical fitness, running, playing ball games and other outdoor sports, can enhance the individual physical fitness, full of energy, or to carry out anal exercises can effectively help to increase the hardness of the penis. 3. Drugs: If the symptoms are serious, you can take sildenafil moderately under the guidance of a doctor, which can prolong the sexual life time, enhance the hardness of the penis, is suitable for the treatment of erectile dysfunction, and is contraindicated for allergic people.