The invention discloses a solar-energy micro-power wastewater treatment device. The structure of the solar-energy micro-power wastewater treatment device comprises a fixing installation base, an inletin a sewage treatment connection mouth, a solar-energy micro-power treatment device, a treated water outlet, a warning light, a squeezing mobile buckle, a to-be-started water pump, a separating filtration water tank, a transmission worm driving device, a stirring purifying tank, a decomposition operation case and a funnel timing triggering device, wherein the squeezing mobile buckle is embedded inside a protective casing in an installed mode, the to-be-started water pump is connected with the squeezing mobile buckle, the squeezing mobile buckle is disposed on the side of the funnel timing triggering device, and the separating filtration water tank is installed above the funnel timing triggering device. Through the solar-energy micro-power wastewater treatment device, electricity can be stored in the wastewater treatment device by using energy of solar energy, operation can be achieved, and when the sewage is introduced, step-by-step treatment can be performed on the introduced sewageautomatically without outside monitoring.