Ktv can open liquor invoice. According to the query relevant public information, "the Chinese people *** and the State Consumer Protection Law" Article 22 operators to provide goods or services, should be in accordance with the relevant provisions of the State or commercial practice to consumers issued invoices and other proof of purchase or service documents, consumers demand invoices and other proof of purchase or service documents, the operator must be issued. ktv provides singing services belong to the scope of the entertainment service, if the At the same time to provide sales of goods, catering services and other businesses, should be invoiced separately.