1. The testator must be a person with full capacity for civil conduct. 2, must be their true meaning, coercion, deception are invalid. The property disposed in the will must be your own personal property, not the same property of husband and wife. Otherwise, it can only be regarded as partially invalid, and your share according to law can only be executed according to the will, not applicable to all property. The form of will should be legal.

Legal objectivity:

Article 143 of the Civil Code is valid if a civil juristic act meets the following conditions: (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. In Article 134 of the Civil Code, a self-written will is written and signed by the testator, indicating the year, month and day. Article 140 of the Civil Code: (1) Persons without capacity for civil conduct, persons with limited capacity for civil conduct and other persons without capacity to testify; (2) Heirs and legatees; (3) People who have an interest in the heirs and legatees. Article 143 of the Civil Law A 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.