The utility model provides a magnetic connector of a three-proofing product comprising a male plug and a female plug. The male plug comprises a male plug body (1), a male plug sealing ring (2), male plug magnets (3,4), and a male plug contact pin (5). The female plug comprises a female plug body (6), a female plug sealing ring (7), female plug magnets(8,9), and female plug contact pin (10). The male plug contact pin (5) and the male plug body (1) are in an interference fit, and the male plug contact pin (5) is disposed on the male plug body (1) in a pressed manner. The female plug contact pin (10) and the female plug body (6) are in an interference fit, and the female plug contact pin (10) is disposed on the female plug body (6) in a pressed manner. The male plug magnets (3,4) are fixedly disposed on the male plug body (1), and the female plug magnets (8,9) are fixedly disposed on the female plug body (6). The male plug sealing ring (2) is disposed on the male plug body (1) in a sleeved manner, and the female plug sealing ring (7) is disposed on the female plug body (6) in a sleeved manner. The male plug magnets (3,4) and the female plug magnets (8,9) are respectively connected with the male plug and the female plug in an attached manner. The magnetic connector of the three-proofing product is advantageous in that the anti-salt mist function and the anti-condensation function can be realized, and the fool-proof function can be provided.