1. Pregnant or lactating women: Tangerine peel and Poria tea may affect fetal health or breast milk quality, so it is recommended that pregnant and lactating women not take it.

2. People with poor liver and kidney function: Tangerine peel and Poria cocos tea may increase the burden on the liver and kidneys, so people with poor liver and kidney function should avoid consumption.

3. Patients with indigestion: Tangerine peel and Poria tea can promote digestion, but if you suffer from severe gastrointestinal diseases, such as ulcers, gastritis, etc., you should use it with caution.

4. Patients with high blood pressure: Tangerine peel and Poria cocos tea may cause blood pressure to rise, so patients with high blood pressure should avoid consumption.

5. Users of certain drugs: Tangerine peel and Poria tea may affect the absorption and metabolism of certain drugs, so people taking drugs need to use Tangerine peel and Poria tea under the guidance of a physician.