The crimes and penalties for forging signatures are as follows:

1. The act of forging signatures is not a crime in itself, but an illegal civil act and should bear corresponding civil legal liability;< /p>

2. However, if a pedestrian defrauds a relatively large amount of public or private property by forging signatures for the purpose of illegal possession, it constitutes a crime of fraud and shall generally be sentenced to fixed-term imprisonment of not more than three years, criminal detention or surveillance, and A fine or a single fine shall be imposed.

The constituent elements of the crime of fraud are:

1. The object of the crime of fraud is the ownership of public and private property;

2. The subject of the crime of fraud is a general subject. Any natural person who has reached the legal age of criminal responsibility and has the capacity for criminal responsibility can commit the crime of fraud;

3. The objective aspect of the crime of fraud should be the use of fraudulent methods to defraud large amounts of public and private property;

4. The subjective aspect of the crime of fraud is direct intentionality.

Legal basis: Article 266 of the "Criminal Law of the People's Republic of China"

Whoever commits the crime of defrauding public or private property, if the amount is relatively large, shall be sentenced to a fixed term of not more than three years Imprisonment, criminal detention or public surveillance, and shall be concurrently or solely fined; if the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years, and shall also be fined; if the amount is particularly huge or there are other particularly serious circumstances, he shall be sentenced to ten years The above sentence shall be fixed-term imprisonment or life imprisonment, and shall also be punished with a fine or confiscation of property. If this law provides otherwise, the provisions shall prevail.