Generally speaking, there should be no flowers in the bedroom, especially the flowers below. 1. Rose? -The scent of Chinese rose makes people suddenly feel chest tightness and discomfort after smelling it, and it is difficult to hold their breath. 2. orchids-the fragrance of orchids will make people overly excited and cause insomnia. 3. Bauhinia-The pollen emitted by Bauhinia will induce asthma or aggravate cough symptoms if it is in contact with people for too long. 4. Cordate telosma-Cordate telosma can emit a large number of particles that strongly stimulate the sense of smell at night. Patients with hypertension and heart disease tend to feel dizzy, depressed and uncomfortable, and even make their condition worse. 5. Tulip-Tulip flowers contain a toxic alkali, which will accelerate hair loss if exposed for too long. 6. oleander-the smell of oleander flowers, if smelled for too long, will make people sleepy and mentally decline. The milky liquid it secretes will be poisoned if it is exposed for too long. 7. Pine and cypress flowers and trees-The fragrance of pine and cypress flowers and trees can stimulate people's stomach. If you smell it for too long, it will not only affect people's appetite, but also make pregnant women feel uncomfortable, disgusting and dizzy. 8. Hydrangea-the particles emitted by hydrangea, if in contact with people, will cause some people's skin allergies and itching. 9. Yellow azaleas-Yellow azaleas release a toxin. Once eaten by mistake, people may be poisoned, and those who are serious may go into shock, which will seriously endanger their health. 10. Lily-the fragrance emitted by lily, if it is smelled for too long, will make people's central nervous system excessively excited and cause insomnia.