Many of the signatures of fake paintings are taken from the signatures of several paintings of the author. The reason is to avoid people finding the basis for their forgery. Such signatures are incoherent and obviously composed of several parts. It is not difficult to find them as long as careful observation.

未托裱过的书画还可以从背面来观察落款，如行笔中在不该停顿的地方停顿，比方说一横或一竖的中间，此款必假无疑，人们在落款时只要稍有犹豫，笔尖就会在宣纸上留下墨点，这类墨点，从画的正面很难看出来，从背面看却十分明显，真款是很少会留下墨点的。

For calligraphy and paintings that have not been mounted, you can also observe the inscription from the back. For example, when you pause in the middle of a horizontal or vertical line, this paragraph must be false. There is no doubt that as long as people hesitate a little, the nib will leave ink dots on the rice paper. Such ink dots are difficult to see from the front of the painting, but very obvious from the back, Real models rarely leave ink dots.

落款是否贯气，若不贯气必有问题，正常的落款，字与字之间在气韵，是贯通的。

Whether the signature is consistent or not. If it is not, there must be a problem. The normal signature is connected between words.

从名款的用笔上来观察。怎么鉴别复制书画，任何一位书画家，不论他的名款有多少种形式，若把他们不同时期的名款拿出来作一下比较，就不难找到其变化的规律，只要消费者不断观察，认真思考，多向人士及有经验的人请教，就一定会辩真假、明是非的。

Observe from the pen of famous money. How to identify and copy calligraphy and painting? No matter how many forms his famous money has, if he takes out their famous money in different periods for comparison, it is not difficult to find the law of its change. As long as consumers keep observing, seriously think, and ask people and experienced people for advice, they will certainly distinguish between true and false and tell right and wrong.