lop effective methods for Qingtong tea bag.Methods: TLC was performed to identify Radix Et Rhizoma Rhei and Cassia angustifolia vahl.

• 清通浓缩袋泡剂是我所根据我所名老中医的验方自行研制开发的一种中药袋泡剂，具有清火泄热，通便宁神的功效。