Erectile function exercise method: both sides s body, caress kiss, but do not touch the genital organs, eliminate tension and anxiety, gradually transition to stimulate sexual desire, each time last 20-30 minutes, 2-3 times a week. 2 weeks later, touch caress sexual organs, penis erection, do not penetrate the vagina, immediately stop stimulation, after the erection subsides again caress, so training 1-2 weeks. Then train vaginal insertion, do not pump after erection, but move slightly to erection after weakness. Train in this way until the erection is satisfactory and then pump vaginally until orgasm. A female supine position is preferable. Ways to prolong ejaculation: Both husband and wife cooperate to relieve bad emotions and suggest confidence; in addition, sexual techniques can be improved, such as female supremacy, increased foreplay, intermittent pumping, etc. You can also press your finger against the glans for 15-20 seconds when there is a sense of urgency to ejaculate, so that the penis weakens and is stimulated again, and then ejaculate after many repetitions, which can improve the tolerance of sexual stimulation and prolong the ejaculation time.