General blood in stool is jet-like mainly consider the following diseases: 1, hemorrhoids, bleeding after stool caused by dry stools, jet-like. 2, lower gastrointestinal bleeding, mostly considered vascular malformations, ischemic bowel disease, intestinal tumors, especially the location of the tumor erosion of blood vessels caused by the lower jet of blood after stool. 3, hemorrhoidal varicose veins caused by the blood after stool jet-like, usually more in the cirrhosis of the liver on the basis of the emergence of the. 4, blood Disease factors lead to decreased blood clotting function, will also appear jets of blood in the stool. This situation is recommended to immediately go to the hospital for examination, such as anorectal examination to exclude anal diseases and gastroenterology examination, in order to clarify the cause of the disease, and active treatment, so as not to cause hemorrhage, hemorrhagic shock and so on.