The city will set up inspection teams for pandemic prevention and control to oversee related bussineses in the city.
The golf course closure order came after one of three new patients confirmed in the city Thursday morning was found to have visited a golf course in Son Tay District on Tuesday.
Hanoi has deployed various measures to contain Covid spread.
On Tuesday, the city banned gatherings of over 10 people, except in offices, hospitals, schools and locations for election purposes, shutting down food beverage businesses, convenience stores, along with apartments for rent in areas around hospitals with coronavirus cases.
Last week, the capital ordered people to stop physical exercises and sports activities in parks and public gardens. People are required to limit gatherings and keep a distance of at least one meter in public.
The capital has already suspended non-essential services like bars, dance clubs and karaoke parlors, as well as outdoor food stalls and cafes, to curb the spread of the pandemic.
Vietnam is facing the toughest Covid-19 wave yet, which has seen 665 community cases in 26 localities since April 27.
Since the new outbreak, Hanoi has recorded 169 caes including over 100 in two locked down hospitals.