Croton is highly toxic. The efficacy of Croton is to diarrhea cold stagnation, expel phlegm and move water, and kill worms. Croton is mainly used for the treatment of cold stagnation, chest and abdominal distension and pain, fecal impassability, phlegm (pathological products formed by impaired water metabolism), edema, ascites, epilepsy, dementia. Pregnant women should not take Croton. Croton should not be used with petunia seeds. It should be noted that the oil of croton is extremely irritating to both the skin and mucous membranes. Half a drop to one drop of croton is taken, and there is a burning sensation in the oral cavity and gastric mucous membranes, vomiting, and repeated large amounts of watery diarrhea accompanied by severe abdominal pain, which produces a severe form of gastroenteritis. If the patient has any discomfort, please go to the regular medical institutions; if you need to use croton, must be used under the guidance of a professional doctor.