If this villain has your eight characters or your hair and blood, you need to be cautious.
If you just write a name or stay at your home, it won't work.
You often do this kind of game when you get home, and Feng Shui Bureau is more common. Unless you have a deep hatred, you should be careful.
I suggest that the landlord recall whether there is any dispute with others in the near future. Or grudges
At the same time, check whether this villain has your birthdates and personal objects
From this picture, the producer is an amateur, and the symbol is usually yellow paper. It should be a prank or an expression of others' dissatisfaction with you.