2, Ophiopogon japonicus tea has many effects, but some people are not suitable for drinking. First, people with spleen and stomach deficiency can't drink Ophiopogon japonicus tea, because Ophiopogon japonicus is cool. Such people will have some bad side effects if they drink Ophiopogon japonicus tea. Second, patients with diarrhea are not suitable for drinking Ophiopogon japonicus tea. Drinking Ophiopogon japonicus tea for diarrhea patients will not only have a certain regulatory effect on diarrhea, but also may aggravate the condition, so it is not suitable for diarrhea patients to drink Ophiopogon japonicus tea. Third, people with indigestion are not suitable for drinking Ophiopogon japonicus tea, otherwise their health will not be restored, but will be affected.