A gas supply and liquid supply apparatus (40) includes: a first fluid pipe (112) which is provided in a distal end part (26) of an insertion part (20) of an endoscope (1), the first fluid pipe (112) for supplying a first fluid a second fluid pipe (114) which is provided in the distal end part (26) of the insertion part (20) of the endoscope (1) together with the first fluid pipe (112), the second fluid pipe (114) for supplying a second fluid and a confluence pipe (110) which is connected to the first fluid pipe (112) and the second fluid pipe (114), a central axis of the confluence pipe (110) in a connection portion to the first fluid pipe (112) and the second fluid pipe (114) having a skew relationship to at least any one of a central axis of the first fluid pipe (112) and a central axis of the second fluid pipe (114).