The calligraphy and painting sold by Wang Hui in Tik Tok may be true, but the specific situation may need to be judged according to the real thing. Wang Hui is a modern painter and calligrapher in China. His works are very popular in the market, so there are many imitations or forgeries. When buying Wang Hui's calligraphy and painting, it is recommended to pay attention to the following points:

1. Choose a reliable purchasing channel: When buying Wang Hui calligraphy and painting, it is recommended to choose a reputable gallery or art trading platform. These institutions usually identify and describe the works of art sold to ensure the purchase of authentic and reliable works.

2. Pay attention to the appraisal certificate: when buying calligraphy and painting, you can ask the seller for an appraisal certificate to prove the authenticity and source of the work. Generally speaking, the appraisal certificate should be issued by a professional art appraisal institution or expert.

3. Observe the details of the work: you can judge the authenticity of the work by observing the pen and ink, color and paper texture of the work. Original Wang Hui's calligraphy and painting usually has high artistic value and collection value, while imitations or fakes may have poor workmanship and quality.

Generally speaking, the purchase of calligraphy and painting requires careful selection of purchase channels and appraisal certificates, as well as attention to the details and quality of the works. If the price of the purchased calligraphy and painting is high or in doubt, it is recommended to seek the appraisal and evaluation of professional institutions or experts.