Shuanghuanglian is mostly known as Shuanghuanglian capsule, and the correct name of Lianhua Qingdian is Lianhua Qingdian capsule. The two drugs are mostly used clinically for the treatment of wind-heat colds, and if they are taken together, the effects are too strong, and it is generally not recommended to stack them on your own without the guidance of a physician. 1. Shuanghuanglian capsule, composed of honeysuckle, scutellaria, forsythia. It has the efficacy of dispersing wind and relieving surface, clearing heat and removing toxins (removing heat and toxicity from the body), expelling wind and clearing heat, and detoxifying and eliminating cataracts. It is used for treating colds and flu caused by external wind-heat, with symptoms such as fever, cough and sore throat. Adverse reactions and contraindications are not clear. 2. Lianhua Qingdian Capsule is composed of Forsythia, Honeysuckle, Ephedra, Almond, Gypsum, Panax Quinquefolii, Mianma Guanzhong, Fritillaria, Patchouli, Rhubarb, Rhodiola Rosea, Menthol, Glycyrrhiza Uralensis. It has the effect of clearing the plague and detoxification (removing the plague-heat and poisonous evil), promoting the lungs and draining heat. It is used in the treatment of influenza, which is characterized by heat and toxin attacking the lungs, with symptoms such as fever, malignant cold (fear of cold), muscle aches and pains, nasal congestion and runny nose, cough and headache, and dry pharynx and sore throat. Adverse reactions such as nausea, vomiting, abdominal pain, diarrhea, abdominal distension, regurgitation, as well as rash, itching, dry mouth, dizziness can be seen. It is contraindicated for those who are allergic to the product and its ingredients. Both drugs are not suitable for people with wind-cold and cold, and it is not advisable to take tonic Chinese medicine at the same time during the period of taking the drug, and the adverse effects are not clear. If you need to take Shuanghuanglian Capsule or Lianhua Qingdian Capsule, it is recommended to consult a healthcare professional.