The etiology of the disease has not been elucidated and is very complex, and there is no definitive conclusion. For example, early asphyxia or physical or sexual abuse that slowly develops into self-induced asphyxiation. In addition, normal heterosexuality suffered setbacks; early childhood and adolescence by the role and influence of sexual stimulation, sexual excitement experience in the family environment; obscenity, pornography, the role of the impact; children, early adolescents that have special sexual excitement sexual interest, sexual preference, sexual prejudice, as well as the existence of psychosocial factors, important events, etc., can make the normal sexual psychological disorders, resulting in abnormal sexual behavior. A, the main etiology 1, biological factors: a variety of biological factors, including genetics, immunity, neurotransmitters, neurodevelopment, hormone levels, brain structure and function and other abnormalities, in the development of such diseases play a key role. 2, psychological, social factors: psychosexual development is frustrated or distorted, is an important factor leading to sexual asphyxia. Normal heterosexuality suffered a setback, early childhood by the influence of a neutral family environment, obscenity, pornography, early that is, special sexual hobbies, sexual prejudice, and the impact of important events, etc., can make the normal psychosexual disorders, resulting in abnormal sexual behavior. 3, behavioral factors: some studies have shown that sexual misconduct and behavioral science are associated. Usually related to the sexual abuse suffered by the patient as a child, will be caused by the strong reaction of the bodily functions of suffocation, so that the patient will repeat this suffocating behavior, even if the patient is no longer abused as an adult, but still have the impulse to repeat this behavior. Second, the predisposing factors 1, obscene, pornographic materials: media such as television, games, the network will be exposed to pornographic pictures or videos in front of adolescents, some will produce sexual excitement. If in the process of enhancing sexual stimulation by inhibiting breathing, it is likely to form sexual asphyxia. 2, the normal process of interaction suffered injury: such as object cheating, poor interaction and other situations to make them suffer from psychological trauma, can not be satisfied through a normal sex life.