1. Excessive caffeine: White peach oolong tea contains caffeine. Excessive drinking may lead to headaches, palpitations, insomnia and other symptoms.

2. Stomach discomfort: Long-term consumption of oolong tea in large quantities may stimulate the gastric mucosa, leading to stomach pain, acid reflux and other discomfort symptoms.

3. Affect absorption: Drinking tea may affect the absorption effect of some drugs, so be sure to drink it carefully.

4. Allergic reaction: A few people may be allergic to some ingredients in tea, causing skin itching, dyspnea and other adverse reactions.

Generally speaking, it is safe to drink white peach oolong tea in moderation, but if you have caffeine allergy, stomach trouble, medication and so on. You should drink carefully. If you feel unwell, stop drinking and consult a doctor.