The difference between Yicheng Capsule and Huanglian Shangqing Tablet lies in the composition, efficacy, and precautions. 1. Composition: Yicheng Capsule consists of rhubarb, Huanglian, scutellaria; Huanglian Shangqing Tablet consists of rhubarb, scutellaria, Huanglian, gardenia, forsythia, cypress, Platycodon grandiflorus, Rhizoma Ligustici and other drugs. 2. Efficacy: Yicheng Capsule has the efficacy of clearing away heat and fire (removing heat and fire from the body), resolving blood stasis, cooling blood and stopping hemorrhage (cooling and moisturizing the blood and preventing hemorrhage), and is mainly used for treating the symptoms of heat and irritability caused by fire and blood heat, sore throat, constipation and constipation. Huanglian Shangqing Tablet has the efficacy of dispersing wind-heat and clearing heat, diarrhea of fire and relieving pain, and is the main treatment for dizziness, dizziness and toothache caused by wind-heat attacking upward and heat in the lungs and stomachs (the heat in the lungs and stomachs is very heavy). 3. Precautions: It is forbidden for those who are allergic to Yicheng Capsule, and should be taken under the guidance of physician for those who have serious chronic diseases, children, pregnant women, lactating women, old age, and those who have weak spleen and loose stools (thin and unshaped feces). It is forbidden for those who are allergic to Huanglian Shangqing Tablets, pregnant women, people with spleen and stomach deficiency (spleen and stomach weakness and cold) should not take it, and people with serious chronic diseases, children, old and weak people, and people with loose stools should take it under the guidance of a physician. Specific medication should be under the guidance of a physician, do not take medication without authorization, so as not to cause adverse reactions.