The invention relates to a method for manufacturing a building box type member and a production die thereof. The production die comprises a base plate, a wall plate, a triangular clamping plate and a plurality of waterproof groove waist ribs, wherein the center of the base plate is provided with a plastic short column. The method comprises the following main production steps of: spreading each box wall plate of a special production die and pouring cement on the die; cutting a non-woven mesh fabric into the die size and laying on the cement in a crossing way; after spreading the cement, inserting a plastic pipe into a circular hole reserved in the middle of the die; leading four convex strips to straightly extend from the central circular hole to the periphery by the cement to form a crossed shape and adding a little water; after airing the cement, opening four walls of the die; and finally, manufacturing the base plate. The method provided by the invention can produce the building box type member which resists different external force action and has the advantages of light weight, less material consumption, simple structure and easiness of construction and can be widely suitable for construction sites, such as an underground parking lot, a garage, a building roof, and the like.