Emotional minimalism first advocates letting go of unchangeable past and uncertain future. Many people are trapped in emotional internal friction all day long: they regret past mistakes, linger on lost relationships, worry about uncertain future risks, and imagine various bad results in advance. These useless emotional thoughts consume a lot of mental energy, making people unable to concentrate on the present life. Emotional minimalism teaches people to accept the irreversibility of the past and the uncertainty of the future, focus on the present moment, do a good job in current things, and let go of excessive obsession and worry. Only by letting go of mental burden can the mind be relaxed and free. Cutting off invalid interpersonal emotional fetters is the core of emotional minimalism. In life, many people maintain a large number of ineffective social relationships: unfamiliar contacts, perfunctory friends, utilitarian interpersonal connections, and relationships that only consume emotions without mutual warmth. These complicated relationships bring endless suspicion, comparison, misunderstanding and emotional consumption, making people physically and mentally exhausted. Emotional minimalism advocates subtracting interpersonal relationships, keeping warm and sincere friendships and intimate relationships, and calmly drifting apart from negative, utilitarian and consuming relationships. Reducing invalid emotional interactions can greatly reduce inner friction and make life simpler and purer. Emotional minimalism also requires abandoning excessive external evaluation dependence. Many people’s emotional fluctuations are completely controlled by others’ words and attitudes: they are elated when praised, depressed when criticized, confused by others’ evaluations, and anxious by social comparisons. They unconsciously hand over the emotional control right to others, resulting in unstable mood and easy loss. Emotional minimalism helps people establish internal emotional evaluation systems, no longer take others’ opinions as the only standard of self-judgment, recognize their own value, tolerate their own imperfections, and maintain emotional stability and self-confidence independent of external voices. Another important connotation of emotional minimalism is allowing emotions to exist reasonably without excessive suppression. Emotional minimalism is not suppressing negative emotions or forcing permanent positivity, but learning to face emotions calmly. It allows the emergence of anxiety, sadness and loss, does not resist negative emotions, and does not indulge in emotional depression. Instead, it learns to release emotions reasonably, sort out emotional causes, and adjust mental state in time. Gentle emotional self-management avoids long-term emotional accumulation and internal friction. Practicing emotional minimalism can greatly improve life efficiency and happiness. Inner chaos and friction are the biggest energy consumers of modern people. When the mind is full of redundant emotions and useless thoughts, people have no extra energy to focus on work, study and life. After cleaning up inner emotional redundancy, the mind becomes clear and stable, people can concentrate on valuable things, work efficiency is improved, and life happiness is significantly enhanced. Emotional minimalism is a mature spiritual self-cultivation. It does not make people cold and indifferent, but makes people warm and powerful. After subtracting useless emotional fetters and internal friction, people can retain more sincere emotions and gentle attitudes, treat life with tolerance and calmness, and deal with trivial troubles rationally. This inner simplicity and stability is the highest state of life. In short, emotional minimalism is an essential spiritual lifestyle for modern people. It helps people free their minds from chaos and trivial consumption, regain emotional autonomy and inner peace, and live a relaxed, stable and positive life.