To make a Taobao size chart in Photoshop, you can follow the steps below:

Open the Photoshop software and create a new document.

In the document, add the title and subtitle of the details page area, as well as the corresponding pictures.

Next, start making the size chart part. First, choose a style you like as a reference. Here, take the interval bar style as an example. First, select the area where the size chart is located and color it.

Then, copy the previous layer several times and separate them at equal intervals to form the strips of the size chart.

At the bottom of the table, there is usually an explanation, which can be added as needed.

Next, write the size information into the table. In order to maintain coordination, use light fonts for dark backgrounds and dark fonts for light backgrounds.

After completing the above steps, the Photoshop production of the Taobao size chart is completed. Please note that the above steps are for reference only, and the specific production methods and effects may vary depending on personal needs and aesthetics.