1. Children and pregnant women should take Dendrobium candidum under the guidance of a doctor.

2. Patients with cold and fever should not use it. It is forbidden for those who are allergic to Dendrobium candidum, and should be used with caution for those who are allergic.

3, those who are cold and wet should be cautious. Patients with chronic diseases such as hypertension, diabetes, nephropathy, liver disease and heart disease need to take it under the guidance of a doctor. Dendrobium candidum has high nutritional value and good efficacy, but not everyone can eat it.