A safety monitoring system based on a smart toilet and a smart toilet are provided. The monitoring system includes a smart toilet, and a cloud server. The smart toilet is configured to detect toilet usage time of a user, and transmit the toilet usage time to the cloud server. The cloud server generates first prompt information, and transmits the first prompt information to the smart toilet. The smart toilet is further configured to prompt, according to the first prompt information, a user when the first prompt information is received.