The disadvantages of long-term drinking of rose tea depend on the specific situation:

1. Impact on women with heavy menstrual flow: Long-term drinking of rose tea may cause increased menstrual flow and anemia. and other symptoms.

2. Impact on diabetic patients: Long-term drinking of rose tea may accelerate blood flow and cause severe discomfort.

3. Impact on pregnant women: Long-term drinking of rose tea can cause irritation to the fetus and affect its growth and development.

4. Impact on patients with oral ulcers: Long-term drinking of rose tea may aggravate ulcer symptoms.

Although rose tea is a natural drink, excessive drinking can also have some negative effects on the body, including:

1. Prevent drug effects: Too much rose tea can cause Affects the absorption, response and effect of some drugs.

2. Diarrhea: Drinking too much rose tea may cause gastrointestinal discomfort, including diarrhea and abdominal pain.

3. Allergy: Some people may be allergic to roses, causing allergic skin reactions such as hives and itching.

4. Sleep problems: Since rose tea contains caffeine, drinking too much may lead to insomnia and decreased sleep quality.

5. Blood sugar problems: Some studies have shown that rose tea contains some sugars, and drinking too much may affect blood sugar levels.

Therefore, it is recommended to drink rose tea in moderation and avoid excessive drinking for a long time. For special groups, such as pregnant women and lactating women, they should drink it under the guidance of a doctor.