2. Patients with chronic gastritis, gastric ulcer and duodenal ulcer: Fu tea tastes bitter, which has great stimulation to gastric mucosa and will aggravate the patient's stomach pain, which is not conducive to the recovery of the disease.
3. Patients with hypotension: Poria cocos tea contains caffeine and other substances, which can promote the excitement of the central nervous system, accelerate the heart rate and pulse, and further lower blood pressure.
4. Patients with hypertension and cardiovascular and cerebrovascular diseases: Poria tea contains caffeine and catechin, which can stimulate the central nervous system and the heart, increase the heart load and raise blood pressure, which is not good for the patient's health.
5. Patients with mental stress, insomnia and dreaminess. Poria cocos tea contains irritating substances, which can promote the excitement of the central nervous system, make people nervous and reduce the quality of sleep.
6. Postpartum women: Fu Cha tea contains volatile oil and flavonoids, which may have an impact on breasts and is not conducive to breastfeeding.
7. Patients with oral ulcer and gastrointestinal inflammation: Fu tea tastes bitter and has great stimulation to oral and gastrointestinal mucosa, which is easy to cause oral ulcer and gastrointestinal inflammation.
8. Patients with hepatic and renal insufficiency: The ingredients in Fu tea may stimulate and burden the liver and kidney, which is not conducive to the recovery and repair of liver and kidney functions.
9. People with poor blood circulation: Because the substances contained in Fu tea can raise blood pressure and increase heart load, it has a great influence on people with poor blood circulation.
10. Patients with malnutrition or indigestion: Poria cocos tea contains volatile oil and flavonoids, which can easily cause indigestion symptoms such as nausea, vomiting and diarrhea, which is not good for malnourished people.