The specific operation steps are as follows:
1. Open the computer of Mito Xiu Xiu, find the puzzle option, and click Open, as shown in the figure.
2. Click "Template Puzzle" on the left, as shown in the figure.
3. Find the heart-shaped puzzle template in the template and click Open.
4. Click "Add More Pictures" on the left to enter the picture adding box, as shown in the figure.
5. Find the picture we want to add in the computer and add it. If the picture is not enough, click the heart-shaped template dragged by the system photo on the left.
6. After adding the picture, click the Save button below, as shown in the figure.
7. After the production is completed, click Save and Share in the upper right corner, and we can upload the pictures.