Chairman Mao's key advertisement seems to be placed in a suitable position in China.

The placement of Chairman Mao's key advertising image mainly depends on your personal beliefs and religious habits. In some cultural and religious traditions, people will choose specific places to worship idols or religious leaders. If you want to respect and admire Chairman Mao, you can consider the following options:

1. Personal preference: According to personal beliefs and preferences, you can choose to place Chairman Mao's advertising image in a place you think is suitable, such as living room, study or porch. It depends on how you want to show and admire the image of Chairman Mao.

2. Respect for tradition: If we refer to some cultural traditions in China, the places where statues of gods or leaders are worshipped are usually located in the east or under the sun. In China's traditional culture, the East is regarded as an auspicious and peaceful place. You can consider placing the advertising image of Chairman Mao in the position facing east to show respect for tradition.

3. Personal Buddhists/Worship Habits: If you have a specific religious belief, such as Buddhism or Taoism, you can refer to the traditions and guidance of that religion and place advertising images in a position that conforms to that religious belief. The most important thing is that the position of Chairman Mao's advertising image should be your personal choice and decision. According to your own beliefs, personal preferences and cultural background, choose a suitable and comfortable place to show your respect for Chairman Mao.