There are differences between Yiqi Nourishing Blood Oral Liquid and Colla Corii Asini Oral Liquid in terms of drug composition, efficacy and main treatment. 1. drug composition: the oral solution by the party ginseng, maitake, rhizoma, ginseng, angelica, schizandra, bones, horny goat weed, astragalus, fried atractylodes, the system of he shouwu, Chen Pi, antler composition. Colla Corii Asini Oral Liquid is composed of Colla Corii Asini, Radix Rehmanniae Praeparata, Radix et Rhizoma Ginseng, Radix et Rhizoma Ginseng, Radix Astragali, Fructus Lycii, Rhizoma Atractylodes Macrocephalae. 2. Efficacy and Indications: Yiqi Nourishing Blood Oral Liquid has the effect of benefiting qi and nourishing blood. It is used for shortness of breath and palpitation, lack of color and weakness due to insufficiency of qi and blood. Colla Corii Asini Oral Liquid has the efficacy of tonifying qi and blood, nourishing yin and moistening lung. It is used for the weakness caused by deficiency of qi and blood in prolonged illness and cough due to deficiency of qi and blood. If you are not feeling well, it is recommended to go to the hospital in time. The above drugs should be used under the guidance of a physician.