For patients with wind-cold flu with internal dampness stagnation (stagnation of dampness in the body due to overly cold diet, etc.), taking Patchouli Zhengqi Capsules is symptomatic; however, the use of Patchouli Zhengqi Capsules is not recommended for simple wind-cold flu. Patchouli Zhengqi Capsule is composed of patchouli, perilla leaves, Angelica dahurica, Atractylodes macrocephala (fried) and so on. It has the efficacy of relieving the exterior and eliminating dampness (relieving the exterior evil and eliminating dampness in the body), regulating qi and neutralizing the middle (regulating the qi of the spleen and stomach, making the spleen and stomach function smoothly). It is used in treating headache and heaviness caused by external wind-cold and internal dampness, chest and diaphragm congestion, distension and pain in the epigastrium (abdomen), vomiting and diarrhea. Note that a light diet is recommended during administration. It is not advisable to take tonic Chinese patent medicines at the same time. If you need to use Huo Xiang Zheng Qi Capsule, you must use it under professional medical supervision.