PURPOSE: To drop and remove snow on a snow cover board downward on the front side of an eaves gutter quickly in a solid state, to prevent the falling off and damage of the eaves gutter or a gutter bearing device from load of snow and to provide an eaves gutter device favorable for outward appearance or a person located downward without continuously flowing down melted snow water for many hours.

CONSTITUTION: A snow cover board 4 covering an interval between a front side upper edge 3 and a roof front 1 is extended backward to the front side upper edge 3 of the eaves gutter 2 provided downward of the roof front 1 so as to incline the snow cover board slantingly upward, and a heater 5 is provided to the snow cover board 4. In the eaves gutter device, the snow cover board 4 is formed of a front cover plate 6 combined with the front side upper edge 3 of the eaves gutter 2 and a rear cover board 7 divided backward thereof. A rain water flowing space 8 is provided between both of them, the rear cover board 7 is formed in the shape of a hollow, and the heater 5 is stored and provided to the inside of the hollow section 9.