1, people with yin excess and yang deficiency. Before using it, you must see if you have a constitution in which yin is abundant and yang is deficient. If you have such a constitution, you can't eat it. Otherwise, you can't use it to achieve the effect of keeping in good health, and your health may be affected. In addition, if people with good health gradually improve the problem of yin deficiency after taking it, but if there is a problem of yin flourishing and yang declining during taking it, you must stop eating Dendrobium in time.

2. Strong children or teenagers. Most children and teenagers are full of qi, and their yin and yang are also in a relatively balanced state. This kind of people don't need to supplement any nutrients, unless there is a wrong lifestyle or overnutrition, and so on. At this time, yin deficiency may occur. This situation can be taken appropriately, which is not recommended by the general public, otherwise the health of teenagers will be affected.

3. Pregnancy. In order to ensure the safety of the children in their stomachs, Dendrobium nobile can be more secure for women during pregnancy. It is suggested that the amount of drugs taken must be reduced as much as possible, and at the same time, attention should be paid to the improvement of personal immunity. If you blindly eat food like Dendrobium nobile at this time, it may harm the health of yourself and the fetus.