Make sure you have all of the ingredients in place before beginning any design steps. The content you'll need before you make the catalog includes images of the products, a list of products and product features, and a list of other content that needs to be written, such as information about the company, customer testimonials, and any other information that will help your customers make the right decision. You may be tempted to take your own images to save money, but unless you yourself are a professional photographer, it's best to hire a professional to take images for you. Your product photographs are one of the most important aspects of the catalog since this is what customers will see first. An appealing image will encourage customers to read the description and, hopefully, make a purchase. If you have photography skills and feel comfortable taking the pictures yourself and own a digital camera, set the camera on the highest resolution and follow product picture protocol: use individual, not group pictures of products on a light background, add a drop shadow to make the products leap off of the page, and upload them at no lower than 300 dpi. Before you write the content about each product, you'll need to know all of the technical specifications of each one. You can also assign item numbers and prices, including original and discount prices. You may also want to jot down any benefits that come to mind while sorting through your products. Though you may want to tell readers every little thing there is to know about each product, you should only give them the information that will help them make a decision. You can direct them to your website if they want even more information about the product. You should pick a convenient size for your catalog to be when it's closed. Depending on where it will be used, whether it's on an airplane or on a desk in a waiting room, you'll need to consider the most convenient size for your product so your customers aren't overwhelmed by an overly-large catalog or aren't...

TL;DR in Chinese:
收集内容。 使用具有视觉吸引力的产品图像。 了解你的产品的特征。 挑选一个合适的目录尺寸。 选择合适的页数。 撰写产品描述。 写额外内容。 组织目录内容。 使用有效的填充页。 设计一个让人印象深刻的封面。 设计预订表。 进行模拟。 印刷目录。