The invention relates to a full beef tallow hotpot condiment and a preparation method thereof. The full beef tallow hotpot condiment is prepared from the raw materials by weight: 50g of dried red pepper, 30g of dried pepper, 150g of Pixian bean sauce, 6g of anise, 7g of cinnamon, 3g of kaempferia galanga, 3g of myristica fragrans, 2g of syzygium aromaticum, 3g of foeniculum vulgare, 4g of bay leaves, 2g of glycyrrhiza uralensis, 15g of fermented soybeans and 300g of beef tallow, and the seasoning raw materials including 12g of spring onion sections, 3g of salt, 25g of old ginger, 20g of ginger slices, 120g of pickled pepper, 15g of monosodium glutamate, 25g of rock candy and 40g of rice wine. The nutritious effects of all the selected raw materials in the hotpot soup are different, so that the hotpot condiment has the effects of nourishing and building body, expelling cold and dampness and stimulating appetite and digestion, has the characteristics of mellowness in oil flavor, spicy and hot taste, fresh, mellow and attractive mouthfeel and unique flavor and has the positive effects of aroma increasing, pungency improving, color improving, salty taste increasing, fish smell removing, taste normalizing and appetite stimulating while eating.