The so-called internal marketing (Internal Marketing) is the corresponding concept of external marketing (External Marketing), the goal is to make employees love the company, and then make sure they get customers to love the company brand too. The question is, why don't employees automatically love their company and its brand. Frankly, realistically speaking, the purpose of working and earning for most people is to be able to support their family. Businesses can accept mediocre performance, but it is certainly not encouraged. If an employee doesn't like his company's brand or product, he won't find motivation in his work. It is very important that the company's staff provides a high level of customer service to both new and existing customers. Poor customer service will lead the business to bankruptcy due to a decrease in the number of customers and revenue. On the contrary, if an employee is interested in and loves their company's brand and products, they will be more passionate in their work, which will again lead to an increase in the motivation of colleagues at work and therefore customers will also be influenced. establishing a strong marketing department does not mean that the company has implemented a marketing orientation; The critical issue for implementing a marketing-oriented company is to train company managers and employees to accept the concept of customer orientation. This is more difficult to achieve than developing new products or services that are attractive to customers. Basically, creating a company's internal marketing means creating a marketing culture within the company. Staff should not only be trained to meet customer satisfaction, but also gradually identify customers' consciousness and behavior. The internal market... at the center of the paper... ideas. To ensure that their employees can portray a good and correct image to customers, all Apple Store staff are very well-known and knowledgeable about Apple products, as at the same time they are also the users of the products. They don't just work for their salary, they work as an Apple fan club, to share the concept and spread the idea of ​​Apple. The goal is to make people understand a better, unique and simple idea of ​​apple to offer to customers. In summary, internal marketing is very important for modern companies. With good internal marketing, the company can have excellent staff who work with passion. And the staff shares this passion with customers to create a good brand image and more brand royalties. In other words, good internal marketing helps the company to have better and easier management of the relationship with the customer.