There is no such thing as the fastest laxative remedy, it is not true. Laxatives (lactulose), prokinetic (prucalopride), prosecretory (linaclotide), probiotics (bifidobacteria), enemas, and suppositories (glycerin) can be used for laxative purposes, and should be used only as prescribed by a doctor. The fastest laxative remedies are biased remedies, which have no scientific basis, and there is no proof in the literature that remedies can laxate the bowels. 1. Laxative drugs: including volumetric laxatives, osmotic laxatives, stimulating laxatives, etc., common drugs such as Oxytetracycline, Lactulose, Bisacodyl and so on. 2. Pro-dynamic drugs: commonly used drugs are mosapride, etc., which can promote intestinal dynamics, and have better efficacy on chronic transmission constipation. 3. Pro-secretory drugs: such as linaclotide, etc., can stimulate the secretion of intestinal fluid and promote defecation. 4. Probiotics: such as Bifidobacterium bifidum, Bacillus subtilis, etc., can regulate intestinal flora, promote intestinal peristalsis and gastrointestinal motility, and can be used as long-term auxiliary treatment for chronic constipation. 5. Enemas and suppositories: such as glycerin, etc., can lubricate the intestinal tract and soften the feces, and are suitable for the temporary use of people with dry feces and incontinence. The need for laxative, it is recommended to timely diagnosis and treatment, the use of drugs need to pay attention to adverse reactions.