A teenager was punched and robbed during a violent street attack on the Weston.
The 17-year-old girl was walking close to Weston Square when she was stopped by a man.
He initially asked for her directions, but then pushed her against a wall and punched in her face.
He stole her mobile phone before fleeing the scene.
The girl suffered swelling and bruising to her face as a result of the attack.
Police are now appealing for help in catching the offender.
He is described as white with a pale complexion, aged between 19 and 20 and about 6 feet tall.
He was wearing a black hooded top with the hood up and black tracksuit bottoms with an orange stripe.
Detective Constable Sarah Newton of Macclesfield CID said: "Incidents of this nature are uncommon in the Macclesfield area and we take all such reports extremely seriously.
"We are currently following a number of lines of enquiry and would ask that anyone with information contact Cheshire Police on 101 quoting incident number 1099 of 31 October 2012.
Information can also be left anonymously by Crimestoppers, on 0800 555 111.