One and a half year old children with serious constipation can be treated under the guidance of the doctor through dietary modification, taking probiotics, corkscrew and so on. 1. Dietary regulation: drink more water, eat more fresh vegetables and fruits, food contains a lot of dietary fiber and vitamins, can promote gastrointestinal peristalsis, to improve constipation has a better effect. 2. Take probiotics: such as bifidobacteria, etc., to regulate the intestinal flora environment, promote gastrointestinal peristalsis, improve constipation. 3. Corkscrew: Corkscrew contains glycerin, which has the effect of softening stools and can stimulate the perianal area, so that stools can be discharged quickly after use, which usually does not have any effect on health, but should not be used for a long time. If the constipation lasts for a long time, it is recommended to actively consult a doctor, under the diagnosis of the doctor, according to the specific performance of the child’s condition, to take targeted treatment.