This research has purpose to know, describe and analyze intrinsic price of stock and taken the right investment decision using fundamental analysis Price Earning Ration (PER) method. Factors that influence stock price according to PER are Expected Earning Growth (g), Earning Per Share (EPS), Dividend Per Share (DPS) and Expected Return (k). This Research is descriptive research on plantation industry company listing in Indonesia stock exchange 2012-2014. Sample selection use purposive sampling method with set criteria then has been chosen. The research result shows PT Astra Agro Lestari, Tbk, PT London Sumatera Indonesia, Tbk and PT Salim Ivomas Pratama, Tbk in undervalued condition, its mean that company's intrinsic stock price that has been counted using PER method higher than market price and should be taken decision to buy or hold the stocks.