The treatment of high-salt wastewater from coal chemical industry is highly complex and specialized. The key lies in the scientific application of relevant technologies and technological innovation to ensure effective salt removal and resource recovery. Currently, there are many technical means in the treatment of high-salt wastewater from coal chemical industry that are worth promoting and applying, such as pretreatment technology, membrane separation technology, solidification treatment technology, evaporation crystallization technology, and microbial treatment technology, each with its own advantages and disadvantages. Mainly using the experience summary method and literature research method, taking pretreatment technology and evaporation crystallization technology as examples. The application points of high-salt wastewater treatment technology were specifically discussed in coal chemical industry, and the good results of salt removal were pointed out and resource recovery could be achieved through technological innovation.