Isn't it illegal not to give negatives to the photography studio?

Legal analysis: it is illegal for guests to take photos in the studio and not give negative films. Whether it is a wedding photo or the original negative, the studio should deliver it to consumers unconditionally.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 111 The personal information of natural persons shall be protected by law. Any organization or individual who needs to obtain other people's personal information shall obtain and ensure the information security according to law, and shall not illegally collect, use, process or transmit other people's personal information, or illegally buy, sell, provide or disclose other people's personal information.

Article 1024th A civil subject enjoys the right of reputation. No organization or individual may infringe upon the reputation right of others by insulting or slandering.

Reputation is a social evaluation of the moral character, reputation, talent and credit of civil subjects.

Article 1030 The provisions of this Part on the protection of personal information and the relevant provisions of other laws and administrative regulations shall apply to the relationship between civil subjects and credit information processors such as credit reporting agencies.

Article 1032 Natural persons have the right to privacy. No organization or individual may infringe upon the privacy rights of others by spying, harassing, exposing or making public.

Privacy is the private space, private activities and private information that natural people live in peace and don't want to be known by others.