1. Self-made will: The will written by the testator is a self-made will. The conditions for the entry into force of the will from the book are:

(1) A self-written will must be written by the testator and cannot be written or recorded by others; Unable to print;

(2) It must be signed by myself, and the name cannot be signed by others; You can't use seals, fingerprints or other symbols instead of signatures.

(3) The date must be indicated.

2. Wills on behalf of books: Wills that the testator needs to entrust others to write on behalf of books due to illness, education level and other reasons are wills on behalf of books.

The conditions for the testamentary proxy letter to take effect are:

(1), there must be more than two witnesses present.

(2) The testator must dictate the main points of the will, and then one of the witnesses will write it;

(3) After the written will is written, the testator will read it out to the testator, and the testator will approve and sign it.

(4) The date must be indicated;

(5) Signature of the ghostwriter and other witnesses present;

(6) The ghostwriter cannot be anyone other than a witness, nor can he be an heir, legatee or other person who cannot be a witness of the will according to the law. Article 143 of the General Principles of the Civil Law of People's Republic of China (PRC) A civil juristic act that meets the following conditions is valid:

(1) The actor has corresponding capacity for civil conduct;

(2) the meaning is true;

(three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs.

Article 143 of the General Principles of the Civil Law of People's Republic of China (PRC) * * * The will made by a person without or with limited capacity for civil conduct is invalid.

A will must express the true meaning of the testator, and a will made by fraud or coercion is invalid.

Forged wills are invalid.

If the will is tampered with, the tampered contents are invalid.