The celebrity chef said the plan "contained a few nice ideas, but so much is missing".
He added he was at a loss as to why it was shared during the August government recess.
In a post on his Facebook page, father-of-five Oliver said the strategy was supposed to be "one of the most important health initiatives of our time".
Where are the actions on irresponsible advertising targeted at our children, and the restrictions on junk food promotions?
Main points of Government strategy
20% sugar reduction in children's cereals, yoghurts, sweets, breads and desserts over the next five years
Targets for sugar content per 100g of product and calorie caps for specific single-serving products
Reports on whether the industry is reducing sugar content through the voluntary scheme and if it is deemed that insufficient progress has been made
Government sugar tax on soft drinks such as Coca-Cola, Pepsi and Red Bull will come into force from 2018 - money raised will be put towards sports in schools and school breakfast clubs
Primary schools to be asked to help ensure pupils get at least 60 minutes of exercise a day - 30 minutes in school through PE and active play and 30 minutes outside school