Need. Autobiographical materials for joining the Party are materials that comrades who join the Party ask them to introduce themselves to the Party organization in order to let the Party organization know their own growth process, study and work experience and the political situation of family members and major social relations members. Among them, my autobiography must be signed and sealed or printed with a handprint at the back, and marked with the year, month and day, so it needs to be stamped, which is very important material.