The present invention relates to a rainwater removal device for an umbrella, a control device is built-in, is configured to form a predetermined arc so that the front end is in contact with the umbrella in an unfolded state, and divided into upper and lower portions to collect rainwater removed from the lower side A casing constructed; And a rear cover configured on the front side of the casing to block the rainwater from flowing into the casing, a microfiber member exposed to the front of the casing to remove the rainwater, and built in the microfiber member, And a rainwater removing unit that includes a spring that provides a predetermined elastic force to the microfiber member during rotation, and a rotating means coupled to the rear cover and rotating the spring by control of the control device. .
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