Look at the store. Generally, normal stores don't have too many fancy things. It won't cover the whole block. If it is a regular pedicure shop, it will be aboveboard.
See if there is a business license. This is the most intuitive and direct way to judge whether it is normal or not. If it is formal, it will usually be hung directly on the wall. If not, it may be informal.
See if there are any formal tools. Anyone who has been to pedicure knows that there are usually pedicure pots, pedicure materials or other related things. If there is nothing inside, it must be irregular.
Look at this decoration
If you want to judge whether a massage shop is formal, you can also judge it by looking at the decoration of the store. Regular massage shops must be decorated with themes, and the necessary massage appliances are ready, so there will be no trend of glass shattering. If a massage shop is luxuriously decorated with dark curtains on its doors and windows, customers will start to draw the curtains as soon as they come in. Actually, there is no need to think about it. Most shops are suspicious.
Look at this skirt.
Finally, the most effective way to judge whether a massage shop is formal is to look at the clothes of the staff in the shop. It stands to reason that in regular shops, the work clothes worn by staff should be loose and convenient for work, especially for female staff, who are conservative in dress. It goes without saying that if the female staff of a store dress sexy and often stand in groups at the door of the store when there are no customers.