The thought of the etheric body, also referred to as the vital body or energy body, is just a key component in a variety of esoteric, spiritual, and metaphysical traditions. It is considered to become a subtle counterpart to the physical body, acting as a link involving the physical and spiritual realms. Unlike the physical body, which comprises dense matter, the etheric body is regarded as made of a better, more subtle type of energy. This energy is frequently described as a luminous field that permeates and surrounds the physical body, extending several inches beyond it. The etheric body is believed to play a crucial role in maintaining physical health, since it is the template or blueprint upon that the physical body is built.

In traditional Chinese medicine, the etheric body is closely linked to the thought of Qi or vital energy. Qi flows through the body's meridians, a network of energy channels, to sustain life and health. Once the flow of Qi beyond the physical body balanced and unobstructed, the physical body remains healthy. Conversely, blockages or imbalances in the flow of Qi can result in illness. Acupuncture, Tai Chi, and Qigong are practices directed at regulating and enhancing the flow of Qi within the etheric body to advertise overall well-being. Similarly, in Ayurveda, the etheric body is linked to the concept of prana, the life span force that animates all living beings.

The etheric body is usually described in terms of chakras and nadis in Hindu and Buddhist traditions. Chakras are energy centers located along the spine, from the bottom to the crown of the top, each associated with different physical, emotional, and spiritual functions. Nadis are energy channels that carry prana through the body. There are thought to be thousands of nadis, with the three most critical being the Ida, Pingala, and Sushumna. The etheric body is reported to be intricately connected to these energy structures, influencing and being influenced by their states.

In Western esoteric traditions, such as for instance Theosophy and Anthroposophy, the etheric body is known as the initial layer of the human energy field. In accordance with Theosophists like Annie Besant and C.W. Leadbeater, the etheric body comprises etheric matter, which is finer than physical matter but still area of the material world. Rudolf Steiner, the founder of Anthroposophy, also emphasized the importance of the etheric body, describing it as living force that animates the physical form. He thought that the etheric body plays an essential role in growth, healing, and regeneration.

The etheric body is thought to connect to the physical body through the endocrine and nervous systems. It is thought that the chakras are connected to the major endocrine glands, and that the flow of energy through the nadis influences the nervous system. This interaction is believed to lead to the regulation of bodily functions and the maintenance of health. Once the etheric body is strong and balanced, it supports the physical body's vitality and resilience. However, when it is weakened or disrupted, it can lead to physical and emotional problems.