Southern Highlands Police officer-in-charge Inspector John Klepczarek said while the number of disrespectful interactions between check-out staff and customers had decreased, it had not subsided.

"It hasn't been as bad as when the rationing happened. People have calmed down in relation to products," Inspector Klepczarek said.

"There's a little bit of frustration of social distancing. People have expressed their frustration to workers."

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Inspector Klepczarek said essential workers had the full support of Southern Highlands police.

"The people you meet face to face are just ordinary members of the community. It's either a law or company policy they're trying to enforce," he said.

"Do not take out your frustration out on those people trying to do their jobs. They don't deserve to get attitude and threats.

"We're here to support those workers who are turning up to work day by day."

Inspector Klepczarek said police have conducted regular patrols across shopping centres and CBDs in the past few weeks, in line with COVID-19 restrictions.

Police also receive daily calls from residents concerned their neighbours aren't following social distancing guidelines.

"We've been trying to work with the community to educate and advise them about the rules," he said.

"We understand they have been updated quite regularly. People have questions about a myriad of things.

"The general rule of thumb is if you don't need to be out stay at home."

Police are reminding Highlanders that travel and holidays are listed as non-essential activities.

"There are $5000 fines for businesses promoting the Highlands as a place to come for a getaway".