Explanation is a substance commonly used in daily life, with many types of explanations, such as home appliances, medicine, cosmetics, and almost all fields. Its purpose is to help people understand the product. Therefore, the purpose of explanation is very important. Generally speaking, in the stage of printing product instructions, special attention should be paid to the following aspects: 1. Paper selection. Instructions are often folded, and if the paper does not have good toughness, it may cause the paper to break during use or the handwriting on the folds to be unclear. 2. Printing should have high accuracy, and the instructions usually include the method of use or the dosage of the medication. If the information is incorrect, it may pose a danger to the consumer. 3. The layout should have a certain regularity to facilitate browsing.