The factors that can make penis enlargement and growth can generally be divided into systemic factors and local factors: the first, systemic factors, it is recommended that you can do more sports and exercise to improve physical fitness, which can improve the blood circulation condition of the whole body, which also has a certain effect on penis growth, it is recommended that you can usually do more aerobic exercises, this is a systemic factor. The second, belongs to the local factors, can be aimed at the genital organs and their surrounding local tissue stimulation, increase the blood flow of the penis, and make the penis enlargement, thickening. For example, you can directly stimulate the penis, you can rub your hands hot with each other, hold up the scrotum and penis with your right hand, the left hand in the small of the belly under the navel, and massage the left palm about 81 times. Then pinch the penis with the right hand from the root, swing the penis to the left and right thighs, and then just repeatedly, you can also use both hands to rub the penis constantly like rubbing a rope, all may make the penis bigger.