Intestinal inflammation is closely related to the skin. The gut is one of the largest immune organs in the body and, like the skin, is an external interface in our bodies. There are hundreds of bacteria and other microorganisms in the gut, which make up the gut microbiota and play a vital role in maintaining our immune system, digestion, absorption of nutrients, etc.

The global population of intestinal tumors is very large, with 1.93 million new cases of colon and rectal cancer and 916,000 deaths in 2020, according to statistics from the World Health Organization (WHO). Intestinal tumors have a significant impact on the health and quality of life of people worldwide.

Diarrhea refers to an increase of the frequency of bowel movements, with thin, watery, or semi-solid stool, often accompanied with symptoms such as abdominal bloating, abdominal pain, and vomiting. Diarrhea is very common among the children, especially in developing countries, and is one of the leading causes of children’s mortality. According to the World Health Organization, approximately 13 million children die from diarrhea worldwide each year.

There is a peak season for gastrointestinal diseases from June to October each year, with symptoms such as diarrhea, abdominal pain, belching, and loss of appetite, which become a hidden burden for those with gastrointestinal discomfort.

Inflammatory bowel disease (IBD) is a chronic inflammatory bowel disease that mainly involves the digestive system, and Crohn's disease (CD) and ulcerative colitis (UC) are the main types of it. Common complications of UC include toxic megacolon, colonic stenosis, intestinal obstruction, intestinal bleeding, intestinal perforation, colon polyps, and colon cancer; common complications of CD include fistula, abdominal abscess, intestinal obstruction, and perianal lesions, less likely to develop into a cancer.

According to the World Health Organization (WHO), in 2020, there were 479,000 new cases and 374,000 deaths of stomach cancer in China, accounting for 44.0% and 48.6% of new cases and deaths of stomach cancer worldwide, respectively.

In June 2015, Wiz Biotech invention patent "A two-step immunochromatographic detection device and its detection Method" was authorized by China National Intellectual Property Administration.