The invention relates to a multifunctional integrated toothpaste and toothbrush which comprises toothpaste, a first mechanism, a piston ring, a sealing cover, a toothbrush cover, a toothbrush head, atoothpaste output opening, a sealing plug, a conveying pipe, a pressurizing face, a flexible glue switch, a one-way valve, a first thread, a second thread, a fixed base, a spring, a locking switch, anembedded block, an embedded hole, a second mechanism and a brush platform. According to the multifunctional integrated toothpaste and toothbrush, integrated use of the toothpaste and toothbrush can be achieved, the toothpaste can be extruded into the multifunctional integrated toothpaste and toothbrush in advance, the multifunctional integrated toothpaste and toothbrush is provided with a sealingdevice, the shelf life of the toothpaste is guaranteed, and it is guaranteed that the toothpaste is not contaminated with bacteria; meanwhile, the toothbrush head can be demounted and replaced, a toothbrush body can be demounted and replaced, the loss of scrapping caused by product damage is avoided, the service life of the product is prolonged, the multifunctional integrated toothpaste and toothbrush can be demounted and cleaned at any time, and it is effectively guaranteed that the product is clean and tidy; meanwhile, the multifunctional integrated toothpaste and toothbrush is low in raw material cost, the consumer consumption cost is low, demounting, cleaning and replacing are convenient, the product sanitation is greatly improved, and the replacement cost is reduced.