There are two uses of olive oil for constipation. The first method of olive oil for constipation is to take the right amount of olive oil orally, olive oil does have the role of treating constipation, because it can promote gastrointestinal peristalsis, regulate gastrointestinal function, and further treatment of constipation, but olive oil can not be overdrunk, it may be counterproductive, leading to bloating, abdominal pain and other uncomfortable symptoms. The second way to treat constipation with olive oil is to use it externally, if constipated, you can apply olive oil externally to the anus, or the anal canal, can also play a role in promoting the discharge of stools, will be the role of stool softening. In conclusion, olive oil for constipation can be used both orally and externally. Which one should be used should be analyzed on a case-by-case basis.