There is a small software dedicated to making seals. Baidu can do it. Using PS is relatively complicated, but I'll simply tell you:

1, the circular box outside, this is simple, there are many methods, draw a circular selection and then stroke, or draw a circular selection first, fill it with red, then draw a selection to subtract it, and there are circular tools and so on, in short, any method can be used.

1. For the text inside, draw a reference line in the center of the circle just drawn, draw the appropriate position of the text with the circular tool, and then select the font tool. The font tool has a T. When your mouse touches the drawn circular tool, the mouse will change a little. Pay attention, then click this path, and the text can be typeset according to your path.