Forced defecation without the intention to defecate has perianal diseases, cardiovascular and cerebrovascular diseases, sexual function-related disorders and other effects on the body. 1. Perianal diseases: when forced defecation without intention to defecate, too much force will lead to increased intra-abdominal pressure easily induced hemorrhoids, prolapse of the anus, anal fissure and other diseases. 2. Cardiovascular diseases: forced defecation without the intention to defecate, will make the blood pressure rise, the body parasympathetic nerve excitation abnormal, induced angina pectoris, cerebral hemorrhage and other diseases may be. 3. Sexual function related disorders: If women force defecation without the intention to defecate, it will cause the anus to contract too tightly and the pelvic floor to contract and spasm, resulting in a possible loss of libido. For men, symptoms such as weak ejaculation may occur. It is recommended that patients do not have the urge to force defecation will cause harm to the body, usually eat a light diet, do not eat cold, greasy food, more exercise will help defecation.