This research is aimed to find out the empirical proofs concerning the effects of product quality, price assumption, and quality of service toward customers satisfaction. The other purpose is to find out whether or not the product quality, price assumption, and quality of service affect simultaneously toward customers satisfaction. The sample of this research is consumers of Lazada online shop product in Yogyakarta. The sampling technique used is purposive sampling which is done by taking sample from population based on a certain criteria: respondents must be those who had experience of buying Lazada online shop product. The method of collecting data is questioners which were distributed to respondents of Lazada online shop in Yogyakarta. Based on the t-test of the variables (product quality, price assumption, and quality of service) the results show that it is significant toward the customers satisfaction. And based on the F-test, the result show that product quality, price assumption, and quality of service affect simultaneously toward customers satisfaction of Lazada online shop in Yogyakarta.