In principle, you can, but the basic signature consumed in China is useless. It is a protection function. The following suggestions are for your reference.

First: when swiping a card, please don't let the card stay away from your sight, so as to avoid misuse or theft of the card;

Second: please don't sign the blank or unfilled bill at will;

Third: before signing, please be sure to confirm whether the card number and amount listed in the bill are correct, and pay attention to whether the consumption currency and the amount expressed in words and figures are correct;

Fourth: when using a credit card, you must sign to confirm the consumption. Generally, you don't need to show your ID card or enter your password. However, please cooperate in the following situations:

Due to the operating standards, POS machines in some cities still need to enter passwords. Please enter 6 digits at will. If you spend a lot of money or buy goods that are easy to realize, it is recommended that you enter an accurate ATM private password.

Fifth, if the transaction needs to be rewritten or cancelled due to mistakes, please ask the merchant to tear up all the original bills and keep the return voucher given by the merchant to avoid future disputes;

Sixth: after signing the bill, please confirm that the credit card returned by the sales staff of the special merchants is indeed their own credit card;

Seventh: After the transaction is completed, please keep the root contact of the cardholder who signed the bill for checking with the credit card statement sent by the bank.