Ejaculatory electric massage is an instrument massage to assist ejaculation, the instrument imitates the female vaginal environment, the whole process includes visual, auditory and tactile stimulation. Main uses: subjects who need semen analysis, who are unable to retrieve semen smoothly on their own or are unwilling to masturbate to retrieve semen on their own; ejaculation duration assessment to evaluate the presence or absence of rapid ejaculation time; premature ejaculation desensitization treatment to improve penile tolerance to stimulation and the ability to control ejaculation. Method: After the erection of the penis is assisted by visual and auditory stimulation and the degree of erection reaches 70% or more, the penis is put into the instrument after wearing a sperm extraction sleeve under the guidance of the physician, who operates the instrument for electric massage and reports to the physician after complete ejaculation and stops the operation. If premature ejaculation desensitization treatment is performed, it will be carried out under the guidance of a physician. Cautions: ① The subject should make an appointment for operation; ② Abstinence for 2-7 days before sperm retrieval; ③ Clearly the auxiliary role of the instrument, ejaculation still requires the cooperation of the patient, if you cannot adapt to the environment, the psychological effect is huge, you need to adjust your mind before considering the examination; ④ Before the examination, you need to explain to the physician the usual erectile function and ejaculation latency; ⑤ When wearing the sperm retrieval sleeve, you need to put it on to the root of the penis, and after putting in the instrument to completely ejaculate, do not rush to After ejaculation, do not pull out the sleeve hastily, but hold the end of the sleeve and pull it out slowly to prevent leakage; ⑥ The examination environment is private, so you should actively cooperate with the physician and take care of the instrument.