What should I do if I send the photos to the QQ space of my mobile phone and edit them again, and then the photos sent out are blurred?

You can upload it again in turn and select HD as the image quality, as shown below:

1. Step 1: Open the QQ space, click and select the "+"icon below, as shown below, and enter the following steps.

2. Step 2: After completing the above operations, click the "photo album" option in the new interface, as shown below, and enter the following steps.

3. Step 3: After completing the above operations, upload the image to be published in the new interface, click and select the "Image Quality" option, as shown below, and enter the following steps.

4. Step 4: After completing the above operations, click to select the "HD" option, and then click the "OK" button, as shown in the following figure. In this way, the problem is solved.