EXCEL on the issue of urgency

I now have to count every month inventory number.By the way I was very cumbersome.Hope you can help me.
Month of inventory to fill in a few forms, data from other form of access to .What is a good way.I am a side-by-side comparison to the table, one by one count, sometimes wrong.Thank you all to help the first.

You have to fill in a few cells to write “=”, and then look for other forms you fill in the cell, choose to return after all the possible use of the data belongs to a form
editor and then a good formula
knock on the raw data directly from the results of the stocks you want to build a matrix input at the beginning of the inventory, and then enter the storage period, a library, to set up a formula Automatically calculate the stock this month, can add their own authentication, this is your view of your stock value and sub-table stock by value, if 0, then you this month, the stock did not enter a wrong number (Referring to the summary of your exterior and interior of the few stocks).