Odor-free floor drain easy to clean

The utility model discloses an odorless easy-to-clean floor drain, which comprises a water storage cavity formed by an inner cylinder and an outer cylinder, the inner cylinder and the outer cylinder are integrally formed, the inner cylinder and the outer cylinder are connected and are not equal in diameter, the end edge of the outer cylinder is provided with a concave sinking groove and a supporting plate, a water sealing cover with a water passing hole is arranged on the inner cylinder, and gaps are reserved between the water sealing cover and the radial direction and the axial direction of the inner cylinder. The inner diameter of the inner cylinder is tightly matched with the outer diameter of the buried drainage pipe, an arc-shaped grate with drainage holes is installed at the concave sinking groove position of the outer cylinder, and a groove for collecting sundries is formed in the edge of the arc-shaped grate. Therefore, sundries or hair can be washed into the edge groove and collected by utilizing the