1. First, let the merchant authorize it to you. Provide the merchant's authorized trademark certificate to Baidu. After the registration is passed, you can submit the merchant's keywords.

Secondly, use some techniques, such as typos and fake characters.

3. The general principle is that keywords should be closely related to the products/services you provide, so that you can accurately locate your potential customers.

The following situations are all keywords that have nothing to do with the content of the web page:

1. They have nothing to do with your company’s products, or the keywords are the company names of other customers or other companies in the same industry. or products;

2. There are no web pages related to the keyword content on the website;

From a formal point of view, the characters that can be used in your keywords include:

1. Simplified Chinese that complies with GBK Chinese character encoding standards

2. Chinese pinyin, uppercase and lowercase English letters, Arabic numerals

3. Spaces, dashes (-) , dot (.)

Please note that you cannot add keywords containing special symbols, full-width characters, bold characters, non-Chinese and English characters, and Traditional Chinese.