Tired. Bigpizza, English name Big Pizza, is a self-service restaurant chain from Italy, mainly engaged in self-service pizza. According to the relevant information, it can be seen that the trial operation of Biesinger Store is more tiring because of the large flow of people and the need for more services. Trial operation is a mode of operation of enterprises, mainly because the operators inform consumers that the business premises have just opened, the management may not be thorough, the services may be lacking and are being improved.