The Ambassador was found dead in his apartment on Sunday, in a Tel Aviv suburb.
The cause of his death is as yet unclear, according to Reuters.
An Israeli police spokesman who confirmed the news told Reuters news agency: “Police units are at the scene as part of the normal procedure.”
Israel’s Channel 12 TV, which cites unnamed medical sources, also reported that Mr. Du died of natural causes in his sleep.
Nevertheless, the ministry did not give any further information about his death.
It was about two months ago that Du Wei started his term as ambassador.
In February he was named having previously acted as Chinese ambassador to Ukraine.