It is difficult to evaluate in one sentence which is better, capsules or oral solution. If we really want to evaluate the good and bad of capsules and oral solution in only two dosage forms, the following aspects are available for reference: First, if we look at the speed of onset of action, oral solution works faster. Second, if from the applicable population, for children, swallowing or eating difficulties in patients more suitable for oral liquid, especially for children, oral liquid is also easier to divide the dose, direct measurement of a few milliliters can be, if it is for healthy young adults, choose both dosage forms can be. Thirdly, if we consider the stability of the drug and the convenience of carrying it, the capsule is more stable and more convenient to carry. So it is more important to choose capsule or oral solution from the individuality of the patient, after all, what is suitable is the best.