The selection of long-tail keywords, one is the related search of your target keywords. When looking for these long-tail keywords, it is very important to consider user search habits. For example, we are currently working on "Meizhenchen unqualified," but many users may not search according to our preferences. Instead, they might use terms like "unqualified milk powder Meizhenchen," "Is Meizhenchen qualified?" "Is Meizhenchen milk powder qualified?" "Is Meizhenchen compliant?" "Is Meizhenchen's milk powder qualified?" "Meizhenchen qualified" "Is Meizhenchen a qualified milk powder?" or "Meizhenchen issues."