Legal analysis: 1, the effective conditions of a self-written will. A self-made will must be written and signed by the testator himself, and then marked with the year, month and day.

2. There must be more than two witnesses present.

The testator must dictate the main points of the will, and then one of the witnesses will write it on his behalf. After writing a written will, the testator will read it to the testator.

4. There must be the date and signature of the ghostwriter, other witnesses and will.

Legal basis: Article 133 of the Civil Code of People's Republic of China (PRC). A natural person may make a will and dispose of personal property in accordance with the provisions of this law, and may appoint an executor.

A natural person may make a will to designate personal property to be inherited by one or more legal heirs.

A natural person may make a will to donate personal property to an organization or individual other than the state, the collective or the legal heir.

A natural person may establish a testamentary trust according to law.