A cleaning base station, configured for providing cleaning water to clean a cleaning member of a cleaning robot, and taking back sewage produced during cleaning the cleaning member, the cleaning base station comprising: a base station frame structure (10, 10', 10") comprising a first assembling portion (11a/11b/11c/11d, lla' /11 b' /11 c' /11 d', 11a"/11b"/11c"/11d"); a draining structure (20, 20', 20") arranged on the base station frame structure (10, 10', 10"), and the draining structure (20, 20', 20") comprising a drainage channel structure; a sewage collecting body (30, 30', 30") comprising: a sewage collecting portion (31, 31', 31"); a second assembling portion (33a/33b/33c/33d, 33a'/33b'/33c'/33d', 33a"/33b"/33c"/33d") engaged with the first assembling portion (11a/11b/11c/11d, 11a'/11b'/11c'/11d',11a"/11b"/11c"/11d"), allowing the sewage collecting body (30, 30', 30") being assembled to and limited by the base station frame structure (10, 10', 10"); and a water outlet communicated with the sewage collecting portion (31, 31', 31"), and detachably connected with the drainage channel structure; and a cleaning body (40, 40', 40") arranged on the sewage collecting body (30, 30', 30"), and the cleaning body (40, 40', 40") defining a filtering hole (41, 40", 40′′′) communicated with the sewage collecting portion (31, 31', 31"), characterized in that, the sewage collecting body (30, 30', 30") further comprises a third assembling portion (36a/36b/36c/36d, 36a'/36b'/36c'/36d', 36a"/36b"/36c"/36d"), and the cleaning body (40, 40', 40") comprises a fourth assembling portion (42a/42b/42c/42d, 42a'/42b'/42c'/42d', 42a"/42b"/42c"/42d") assembled with the third assembling portion (36a/36b/36c/36d, 36a'/36b'/36c'/36d', 36a"/36b"/36c"/36d"), allowing the cleaning body (40, 40', 40") to be limited in the sewage collecting body (30, 30', 30"). a base station frame structure (10, 10', 10") comprising a first assembling portion (11a/11b/11c/11d, lla' /11 b' /11 c' /11 d', 11a"/11b"/11c"/11d"); a draining structure (20, 20', 20") arranged on the base station frame structure (10, 10', 10"), and the draining structure (20, 20', 20") comprising a drainage channel structure; a sewage collecting body (30, 30', 30") comprising: a sewage collecting portion (31, 31', 31"); a second assembling portion (33a/33b/33c/33d, 33a'/33b'/33c'/33d', 33a"/33b"/33c"/33d") engaged with the first assembling portion (11a/11b/11c/11d, 11a'/11b'/11c'/11d',11a"/11b"/11c"/11d"), allowing the sewage collecting body (30, 30', 30") being assembled to and limited by the base station frame structure (10, 10', 10"); and a water outlet communicated with the sewage collecting portion (31, 31', 31"), and detachably connected with the drainage channel structure; and a sewage collecting portion (31, 31', 31"); a second assembling portion (33a/33b/33c/33d, 33a'/33b'/33c'/33d', 33a"/33b"/33c"/33d") engaged with the first assembling portion (11a/11b/11c/11d, 11a'/11b'/11c'/11d',11a"/11b"/11c"/11d"), allowing the sewage collecting body (30, 30', 30") being assembled to and limited by the base station frame structure (10, 10', 10"); and a water outlet communicated with the sewage collecting portion (31, 31', 31"), and detachably connected with the drainage channel structure; and a cleaning body (40, 40', 40") arranged on the sewage collecting body (30, 30', 30"), and the cleaning body (40, 40', 40") defining a filtering hole (41, 40", 40′′′) communicated with the sewage collecting portion (31, 31', 31"), characterized in that, the sewage collecting body (30, 30', 30") further comprises a third assembling portion (36a/36b/36c/36d, 36a'/36b'/36c'/36d', 36a"/36b"/36c"/36d"), and the cleaning body (40, 40', 40") comprises a fourth assembling portion (42a/42b/42c/42d, 42a'/42b'/42c'/42d', 42a"/42b"/42c"/42d") assembled with the third assembling portion (36a/36b/36c/36d, 36a'/36b'/36c'/36d', 36a"/36b"/36c"/36d"), allowing the cleaning body (40, 40', 40") to be limited in the sewage collecting body (30, 30', 30").