Multifunctional building material antitheft device

The invention discloses a multifunctional building material antitheft device. The multifunctional building material antitheft device comprises a base, and also comprises two connection frames, wherein the base comprises two base units, the two connection frames are respectively arranged on the base units, each connection frame comprises a base support and at least one opening part which is connected with the base support and can be used for fetching and storing a building material, and at least one lock catch device is also arranged between the opening part for fetching and storing the building material and the base support. By adopting the multifunctional building material antitheft device, the safety of materials such as a plate, a steel material and the like can be successfully realized without warehousing, if the materials need to be fetched, people must contact a warehouse manager, and the materials can be fetched only by using a key to open a lock; the large-sized material can be safely managed by the construction unit, the loss of the material caused by stealing or fraudulent use can be effectively avoided and reduced, and the multifunctional building material antitheft device is firm to install, convenient to use, durable, safe, reliable and wide in application range.