From the point of view of the efficacy of these two drugs, they are applicable to different types of colds, is not recommended to take together. 1. Lianhua Qingdian Capsule’s effect is to clear the plague and detoxification (clearing the plague heat and poisonous evil), promote the lungs to drain the heat, used in the treatment of influenza belongs to the heat and poisonous attack on the lungs, the symptoms of the fever and chills (fear of cold), or a high fever that does not go away, head and body aches, muscle pains, nasal congestion and runny nose, sore throat, and so on. Adverse reactions such as nausea and vomiting may occur after taking the product. It is forbidden for those who are allergic to this product, and those who have wind-cold flu should not take this medicine. 2. The efficacy of Huo Xiang Zheng Qi Shui is to relieve exterior dampness (relieving exterior evils and eliminating interior dampness), regulate qi and neutralize the middle (regulating the qi of the spleen and stomach to make the functions of the spleen and stomach smooth), and is used for colds and flu caused by exterior wind-cold, interior dampness or summer dampness, with symptoms such as headache and heaviness, dizziness and fatigue, and stuffiness of the chest and diaphragm. After taking the drug may have nausea, vomiting and other adverse reactions, allergic to alcohol and this product is prohibited. From the efficacy of the two drugs, the two are applicable to different types of colds, it is not recommended to take together, the emergence of discomfort in the doctor under the guidance of the identification of the use of drugs, not blindly, in order to avoid adverse consequences.