The invention relates to a water collecting apparatus through solar energy semi-conductor refrigeration moisture condensation method, which comprises a heat regenerator, a heat insulation layer, a water condensation chamber, a water collection device, a water discharge valve, a radiating fin, a draught fan, a two-dimensional turntable, a solar cell panel, a cold plate, a thermoelectric stock, a temperature and humidity transducer and a single chip system, wherein the battery plate is fixed on the turntable, a plate regenerator is arranged to increase the water collection ratio, the solar cellpanel is used for current supply for semi-conductor refrigeration, the natural air is driven by the draught fan to flow through the cold plate continuously, aqueous vapor in the air is condensed intowater drops, and flows into the water collector through the water condensing chamber, thus realizing refrigeration, cooling, condensation of moisture and water collection. The advantages of the invention are small volume, light weight, high water collection efficiency and convenience in carrying.