Whether you need to pay a deposit to open a new store on Pinduoduo depends on factors such as the store type and sales scale. Generally speaking, ordinary stores need to pay a certain deposit, while brand stores or corporate stores need to pay a higher deposit. The purpose of the deposit is to protect consumer rights, maintain platform order, and improve the service quality of merchants. The specific deposit amount can be checked and understood in the entry process of the Pinduoduo platform.