There are many hazards of extracorporeal ejaculation, mainly divided into the following categories: First, it is easy to lead to contraceptive failure, sometimes men who do not hold back resulting in the withdrawal of the penis for too short a time, it will make part of the semen may flow into the vagina of women. Second, frequent extracorporeal ejaculation may lead to sexual neurasthenia in men because of the sudden interruption of intercourse when reaching orgasm, which over time will have a negative impact on the psyche and may cause premature ejaculation and impotence in serious cases. Thirdly, extracorporeal ejaculation may lead to sexual frigidity in women. In the case of extracorporeal ejaculation, the woman is diverted and has an uncomfortable psychological reaction, which may cause a certain psychological shadow on the woman over time, and even sexual frigidity.