An oil well sand filtering apparatus, comprising a pipe body (1), an oil inlet device (2), an oil collecting device (3), a flow-dividing device (4), a holding device (5), a first filtering device (6), a second filtering device (7) and a third filtering device (8). The oil inlet device (2) comprises an oil inlet funnel (21) and a first filter (22). The oil collecting device (3) comprises a first inclined plate (31), a first triangular block (32), a second filter (33) and a first horizontal plate (34). The flow-dividing device (4) comprises a body (41), a third filter (43), a second horizontal plate (44), a first supporting rod (45), a magnet (46), a fourth filter (47), a sponge block (48), a first fixing frame (49) and second fixing frame (40). The holding device (5) comprises a curved rod (51) and a holding rod (52). The first filtering device (6) comprises an oil collecting ring (61), a triangular ring (62), a fifth filter (63), a first supporting column (64), a separation plate (65), a second supporting rod
