This study entitled the influence of product quality and sales promotion through Line@ official on purchasing decisions at Starbucks Coffee Margonda Depok branch. The purpose of this study is to know partially and simultaneously the influence variables of product quality and sales promotion through Line@ official on purchasing decisions. This study uses a non-probability sampling technique to 70 consumers at Starbucks Coffee Margonda Depok. This study uses multiple linear regression methods with SPSS 20 program as data analysis techniques. The results of this study show that product quality and sales promotions through Line@ official has partially a positive and significant effect on Starbucks coffee purchasing decisions. Simultaneously product quality and sales promotion through Line@ Official also positively influences purchasing decisions on Starbucks coffee.

kata kunci :
Product quality, sales promotion through Line @ official, purchasing decisions, Starbucks coffee