It is not appropriate to directly compare whether eating beef bone marrow or ox tail during chemotherapy is better or worse.

1. Eating beef bone marrow after chemotherapy has the effect of replenishing essence and marrow, and can be used to relieve symptoms such as osteoporosis and weakness in the waist and knees caused by liver and kidney deficiency.

2. After cancer patients undergo chemotherapy, drinking oxtail soup is good for the body. Drinking oxtail soup after chemotherapy can supplement protein and nutrients, which is helpful to improve physical fitness, enhance disease resistance, and alleviate the side effects of chemotherapy.