First of all, you must be familiar with the operation interface of PS and the basic usage of PS tools. There are many resources on the internet now. Choose a good and highly rated video to watch. After watching the introductory course video, you will get a preliminary understanding of the use of these tools. It is also important to be familiar with commonly used shortcut keys.
Next is the most important thing,
The key to learn PS well is to improve aesthetics and create good works. If you want to improve your aesthetics, creating a good work is divided into the following steps.
(1) Read more: read more works, because our aesthetics will be influenced by what we usually see. Seeing more photographers' works, our own aesthetics will be improved unconsciously. Therefore, only when we see many beautiful things, our aesthetics will be improved and our works will be more meaningful. Of course, when looking at works, we should not only look at the fields we are interested in, but also look at all kinds of excellent works, because the aesthetics of excellent works are worth learning.
(2) Think more: When you see a good work, think more about the composition and color matching of this excellent work. While analyzing the works, we also need to think about where our technical level can be improved and where it needs to be improved. Think about your own creativity and check whether the details of the cutout and retouching of the work are good enough.
(3) More hands-on: that is, restore the good works by hands, experience how the good works are made, and see if they can be made into that form through actual hands-on experience. But at the beginning, some people may be upset because they can't find the good material they should go there to find. Then you should make full use of the Internet. It must be right to try more In the process of learning, you can quickly find your own mistakes and correct them in time.
(4) Create more: What I said above is the learning stage, and you can't forget your own creation. Don't be afraid of our poor creation at first. No one can create a good work at the beginning. Only after many creations, combined with their own aesthetic improvement, can their works be slowly and steadily improved.