Calligraphy and painting collections can only be preserved and increased by buying genuine products and fine products. Fake goods and genuine goods are like a pair of twin brothers, and it is difficult to distinguish between true and false. Calligraphy and painting fraud has been handed down from generation to generation for complex reasons, some for making money, and many for other reasons, especially now that a large number of fakes and fakes are flooding the market, some experienced collectors are inevitably fooled. Therefore, the investment in painting and calligraphy collection is not only a high return, but also a risky investment. In order to avoid the loss of investment, collectors must have deep identification knowledge. How to identify the authenticity of calligraphy and painting? How to distinguish between true and false paintings and calligraphy? Generally speaking, it is mainly identified from the following aspects. The artistic style of painters and calligraphers. A painter's brushwork habits formed over the years, no matter how the theme of his works changes, can always see his brushwork trajectory and style characteristics. Therefore, it is necessary to be familiar with the uniqueness of the main masters of painting and calligraphy, such as their artistic skills, the origin of their teachers, the realm of their works, their creative brushwork, and the use of ink and color, so that even if some counterfeit products are very similar, they can be seen through careful study.

Therefore, understanding and mastering the artistic style and characteristics of masters of painting and calligraphy is conducive to distinguishing authenticity. The times style of calligraphy and painting. As a culture and art, calligraphy and painting have their own accumulation and inheritance, and also have their own development history, which is the result of historical and cultural evolution. At the same time, it was also influenced and restricted by the political, economic, cultural, material conditions and living customs of the society at that time. Paintings in different times have different style characteristics. If a painting does not conform to the characteristics of the times, it is probably a fake. Inscriptions and seals of calligraphy and painting. Calligraphy and painting counterfeiters often use penniless calligraphy and painting or broken calligraphy and painting to tamper with signatures and seals, some forge signatures and some forge seals. Distinguish the authenticity of the signature from the brushwork and calligraphy skills; Different from the habit of calligraphers' names and signatures. The identification of the seal can also be seen from two aspects: First, look at the seal. The shapes, engraving methods, characters and materials of seals in different times are different. Look at the inkpad. In addition, we should also pay attention to whether the date of signature is consistent with the date of birth of the author and whether it is different from the facts.