Where is the small intestine in the human body?

The small intestine of the human body is located in the middle and upper abdomen of the human body. Its upper end is connected to the pylorus and the stomach of the human body. The lower end is connected to the large intestine of the human body through the diaphragm. It is the main place for food digestion and absorption of the human body. Its total length is about 3~5 meters. It is divided into duodenum, jejunum and ileum at the same time. Generally speaking, if the small intestine of the human body shows problems. For example, eating unclean food causes inflammation, which often causes vomiting and diarrhea, and must be treated promptly. It is recommended to go to a regular hospital in time and give anti-infective drugs and protection under the guidance of a doctor. Treatment with drugs for intestinal mucosa. If the patient shows a large amount of vomiting or diarrhea, he or she must be given water and electrolytes to prevent dehydration.