An automatic peanut brittle machine is to produce candied roasted peanut snacks. The peanut candy production line mainly contains 6 machines, a peanut roaster machine, a peanut peeling machine, sugar melting machine, a peanut brittle forming and cutting machine, a peanut brittle mixing machine, peanut candy packing machine. The peanut brittle machine has wide application, suitable for making sesame seed peanut candy, sesame bar, peanut chikki, granola bar, snack bar, energy bar, protein bar, etc.