The present disclosure provides a remote monitoring system and related method for solar power generation device, including: transmitting electrical parameters and environmental parameters collected by a plurality of solar power generation devices to a computing device; and transmitting the electrical parameters and the ambient parameters by the computing device to a server through an embedded communication module disposed within the computing device, wherein the embedded communication module is an industrial-grade embedded 3G/4G communication module and can withstand temperatures of at least 70° C. Therefore, the remote monitoring system and related method according to the present disclosure can solve the problem of overheating of the equipment.