1. Sacrificial articles: such as incense sticks, flowers and fruits. 2. Props for commencement ceremony: such as hammers, hammers, nails, shovels, etc. 3. Layout of commencement ceremony: such as building the gatehouse of the construction site, posting banners with auspicious meanings, hanging red lanterns, etc. 4. Commencement ceremony gifts: such as candy, biscuits, red envelopes, etc. 5. Moderator of the commencement ceremony: A moderator is required to preside over the process and speech of the commencement ceremony. 6. Participants: The owner, designer, construction team leader, supervisor and other relevant personnel need to be invited to attend the groundbreaking ceremony. 7. Audio equipment: it is necessary to prepare audio equipment to play background music and the host's speech. 8. Catering service: It is necessary to prepare simple refreshments or catering services for the people attending the groundbreaking ceremony.