Legal analysis: At present, there are six forms of wills: self-written wills, agency wills, printed wills, audio-visual wills, oral wills and notarized wills. Among them, printed wills and video wills are new forms of wills. Therefore, the form of printing the will in this case is effective.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 136 A printed will shall be witnessed by two or more witnesses. The testator and the witness shall sign on each page of the will and indicate the year, month and day.

Article 137 If a will is made in the form of audio and video recording, two or more witnesses shall be present to witness it. The testator and the witness shall record their names or portraits, as well as the year, month and day by audio and video recording.

Article 140 The following persons cannot be witnesses to a will:

(1) Persons without civil capacity, persons with limited civil capacity and other persons without witness capacity;

(2) Heirs and legatees;

(3) People who have an interest in the heirs and legatees.

Article 141 A will shall reserve a necessary share of the inheritance for heirs who lack the ability to work and have no source of income.