JSFiddle - React, Tailwind, and code Playground

JavaScript

const busns = [
    {
     id:1,
     shopname:'New trend',
     pcid:1
    },
    {
     id:2,
     shopname:'Latest Beauty',
     pcid:2
    },
    {
     id:3,
     shopname:'Mens Style',
     pcid:1
    },
    {
     id:4,
     name:'Fabulook',
     pcid: 1
    },
    {
     id:4,
     name:'New cut',
     pcid: 2
    }
]

const pc = [
   {
     pcid:1,
     pcname: 'collection1'
   },
   {
     pcid:2,
     pcname: 'collection2'
   },
   {
     pcid:3,
     pcname: 'collection3'
   },
   {
     pcid:4,
     pcname: 'collection4'
   }
]

busns.map(busns => {
  return pc.filter( p => {
     return busns.pcid == p.pcid
  }).map(data => {
      console.log(data.pcname)
  })
})