According to the conventional method of soaking Radix Pseudostellariae in water, Radix Pseudostellariae should be boiled in boiling water for 20-30 minutes to fully release the effective components. The temperature of water is preferably around 90℃, which can ensure the full dissolution of the nutrients of Radix Pseudostellariae. Pseudostellaria heterophylla 10g is used for each tea drink, or Pseudostellaria heterophylla 6- 10g can be put in bulk bags for tea drinks. This can ensure that the taste and efficacy of Radix Pseudostellariae can be fully exerted.