The invention relates to a disposable anti-theft drinking bucket, comprising a bucket body, a bucket neck and a bucket cover, characterized in that the bucket neck is provided with a draft plug and a locking belt; a bucket belt is provided with a central anti-theft piece; a lower end of the bucket cover is provided with an anti-theft ring; an opening of the bucket neck is provided with a sealing aluminum foil. The draft plug, the locking belt and the bucket body are connected into a whole and are molded by one-time injection; the central anti-theft piece on the bucket cover, the antitheft ring at the lower end of the bucket cover and the bucket cover are connected into a whole and are molded by one-time injection. The disposable anti-theft drinking bucket sets a plurality of disposable antitheft marks which indicate the drinking bucket is used and the drinking bucket cannot be used again if any component is removed or damaged, thus guaranteeing the disposability. The drinking bucket of the invention is disposable, thus guaranteeing the clean and sanitary drinking water, completely solving the problems of reclaiming, transporting, sterilizing, washing, etc., of used bottles, and saving time, efforts and cost. At the same time, by using the invention, some consumers can be prevent from using the used bottles to contain oil material, sundries, chemical industrial material and even urine and uncivil consumption behavior of reclaiming and reusing, which is beneficial for the physical and psychological health of the vast consumers.