Water permeable assembly block

The utility model discloses a permeable assembly block which comprises a brick body, and a groove I and a groove II are formed between a pair of opposite side faces of the brick body. The groove II is arranged between the middle parts of the bottom ends of the opposite side surfaces; the number of the grooves I is two, the two grooves I are of a symmetrical structure, and the two grooves I are located at the two ends of the bottoms of the opposite side faces. The middle parts of the other pair of opposite side surfaces of the brick body are respectively provided with a convex part, the two ends of each convex part are respectively provided with a concave part, and the length of each convex part is twice that of each concave part; after the concave parts of two adjacent brick bodies are spliced, the concave parts are complementary with the convex parts in shape; an upper pressing part is arranged below the convex part, a lower pressing part is arranged at the lower part of the concave part, the upper pressing