There will be a white background, because the bitmap transferred to the vector image will generate a rectangle based on the edge. Because the bitmap is not displayed in the form of a path, it is impossible to have a white background. If you do not want a white background, you have to build a path along the edge of the bitmap you put in and then build a clipping mask so that there will be no redundant white background.You must be able to cut pictures. When you cut pictures in PS, you'd better use a pen to cut, so that there will be a path after cutting. Then put the picture in AI, copy the path into it, align it, and create a cutting mask that will look like you have cut.
After the pictures are buckled, they are saved directly on the computer. The pictures on the computer are all with white background, as shown in the following figure. The picture on the leather dust computer is with five pictures of 00 people The pictures dragged into the PS system are as follows: So it is normal for you to make successful pictures in the PS system.
After it is done in Photoshop, it is also stored as a psd file, and then imported into the illustrator. The key is to click the above embedding after importing. In the import option, single select the option "Convert Photoshop layer to object, and keep the text editable as much as possible". Click OK. My image can't be uploaded yet. You can find it by yourself